diff --git a/modules/angular1_router/lib/facades.es5 b/modules/angular1_router/lib/facades.es5
index aa2153e313..1744f10d53 100644
--- a/modules/angular1_router/lib/facades.es5
+++ b/modules/angular1_router/lib/facades.es5
@@ -320,9 +320,5 @@ Location.prototype.prepareExternalUrl = function(url) {
   if (url.length > 0 && !url.startsWith('/')) {
     url = '/' + url;
   }
-  if(!$location.$$html5) {
-    return '#' + url;
-  } else {
-    return '.' + url;
-  }
+  return $location.$$html5 ? '.' + url : '#' + $locationHashPrefix + url;
 };
diff --git a/modules/angular1_router/src/module_template.js b/modules/angular1_router/src/module_template.js
index ca4352dff2..e257e3e855 100644
--- a/modules/angular1_router/src/module_template.js
+++ b/modules/angular1_router/src/module_template.js
@@ -4,9 +4,33 @@ angular.module('ngComponentRouter').
     // Because Angular 1 has no notion of a root component, we use an object with unique identity
     // to represent this. Can be overloaded with a component name
     value('$routerRootComponent', new Object()).
-    factory('$rootRouter', ['$q', '$location', '$browser', '$rootScope', '$injector', '$routerRootComponent', routerFactory]);
 
-function routerFactory($q, $location, $browser, $rootScope, $injector, $routerRootComponent) {
+    // Unfortunately, $location doesn't expose what the current hashPrefix is
+    // So we have to monkey patch the $locationProvider to capture this value
+    provider('$locationHashPrefix', ['$locationProvider', $locationHashPrefixProvider]).
+    factory('$rootRouter', ['$q', '$location', '$browser', '$rootScope', '$injector', '$routerRootComponent', '$locationHashPrefix', routerFactory]);
+
+function $locationHashPrefixProvider($locationProvider) {
+
+  // Get hold of the original hashPrefix method
+  var hashPrefixFn = $locationProvider.hashPrefix.bind($locationProvider);
+
+  // Read the current hashPrefix (in case it was set before this monkey-patch occurred)
+  var hashPrefix = hashPrefixFn();
+
+  // Override the helper so that we can read any changes to the prefix (after this monkey-patch)
+  $locationProvider.hashPrefix = function(prefix) {
+    if (angular.isDefined(prefix)) {
+      hashPrefix = prefix;
+    }
+    return hashPrefixFn(prefix);
+  }
+
+  // Return the final hashPrefix as the value of this service
+  this.$get = function() { return hashPrefix; };
+}
+
+function routerFactory($q, $location, $browser, $rootScope, $injector, $routerRootComponent, $locationHashPrefix) {
 
   // When this file is processed, the line below is replaced with
   // the contents of `../lib/facades.es5`.
diff --git a/modules/angular1_router/test/ng_link_spec.js b/modules/angular1_router/test/ng_link_spec.js
index 4556230c2b..1a16fd8c92 100644
--- a/modules/angular1_router/test/ng_link_spec.js
+++ b/modules/angular1_router/test/ng_link_spec.js
@@ -2,133 +2,133 @@
 
 describe('ngLink', function () {
 
-  it('should allow linking from the parent to the child', function () {
-    setup();
-    configureRouter([
-      { path: '/a', component: 'oneCmp' },
-      { path: '/b', component: 'twoCmp', name: 'Two' }
-    ]);
-
-    var elt = compile('<a ng-link="[\'/Two\']">link</a> | outer { <div ng-outlet></div> }');
-    navigateTo('/a');
-    expect(elt.find('a').attr('href')).toBe('./b');
+  describe('html5Mode enabled', function () {
+    runHrefTestsAndExpectPrefix(true);
   });
 
-  it('should allow linking from the child and the parent', function () {
-    setup();
-    configureRouter([
-      { path: '/a', component: 'oneCmp' },
-      { path: '/b', component: 'twoCmp', name: 'Two' }
-    ]);
-
-    var elt = compile('outer { <div ng-outlet></div> }');
-    navigateTo('/b');
-    expect(elt.find('a').attr('href')).toBe('./b');
-  });
-
-
-  it('should allow params in routerLink directive', function () {
-    setup();
-    registerComponent('twoLinkCmp', '<div><a ng-link="[\'/Two\', {param: \'lol\'}]">{{twoLinkCmp.number}}</a></div>', function () {this.number = 'two'});
-    configureRouter([
-      { path: '/a', component: 'twoLinkCmp' },
-      { path: '/b/:param', component: 'twoCmp', name: 'Two' }
-    ]);
-
-    var elt = compile('<div ng-outlet></div>');
-    navigateTo('/a');
-    expect(elt.find('a').attr('href')).toBe('./b/lol');
-  });
-
-
-  it('should update the href of links with bound params', function () {
-    setup();
-    registerComponent('twoLinkCmp', '<div><a ng-link="[\'/Two\', {param: $ctrl.number}]">{{$ctrl.number}}</a></div>', function () {this.number = 43});
-    configureRouter([
-      { path: '/a', component: 'twoLinkCmp' },
-      { path: '/b/:param', component: 'twoCmp', name: 'Two' }
-    ]);
-
-    var elt = compile('<div ng-outlet></div>');
-    navigateTo('/a');
-    expect(elt.find('a').text()).toBe('43');
-    expect(elt.find('a').attr('href')).toBe('./b/43');
-  });
-
-
-  it('should navigate on left-mouse click when a link url matches a route', function () {
-    setup();
-    configureRouter([
-      { path: '/', component: 'oneCmp' },
-      { path: '/two', component: 'twoCmp', name: 'Two'}
-    ]);
-
-    var elt = compile('<a ng-link="[\'/Two\']">link</a> | <div ng-outlet></div>');
-    expect(elt.text()).toBe('link | one');
-    expect(elt.find('a').attr('href')).toBe('./two');
-
-    elt.find('a')[0].click();
-    inject(function($rootScope) { $rootScope.$digest(); });
-    expect(elt.text()).toBe('link | two');
-  });
-
-
-  it('should not navigate on non-left mouse click when a link url matches a route', function() {
-    setup();
-    configureRouter([
-      { path: '/', component: 'oneCmp' },
-      { path: '/two', component: 'twoCmp', name: 'Two'}
-    ]);
-
-    var elt = compile('<a ng-link="[\'/Two\']">link</a> | <div ng-outlet></div>');
-    expect(elt.text()).toBe('link | one');
-    elt.find('a').triggerHandler({ type: 'click', which: 3 });
-    inject(function($rootScope) { $rootScope.$digest(); });
-    expect(elt.text()).toBe('link | one');
-  });
-
-
-  // See https://github.com/angular/router/issues/206
-  it('should not navigate a link without an href', function () {
-    setup();
-    configureRouter([
-      { path: '/', component: 'oneCmp' },
-      { path: '/two', component: 'twoCmp', name: 'Two'}
-    ]);
-    expect(function () {
-      var elt = compile('<a>link</a>');
-      expect(elt.text()).toBe('link');
-      elt.find('a')[0].click();
-      inject(function($rootScope) { $rootScope.$digest(); });
-    }).not.toThrow();
-  });
-
-  it('should add an ng-link-active class on the current link', function() {
-    setup();
-    configureRouter([
-      { path: '/', component: 'oneCmp', name: 'One' }
-    ]);
-
-    var elt = compile('<a ng-link="[\'/One\']">one</a> | <div ng-outlet></div>');
-    navigateTo('/');
-    expect(elt.find('a').attr('class')).toBe('ng-link-active');
-  });
-
-
   describe('html5Mode disabled', function () {
-    it('should prepend href with a hash', function () {
-      setup({ html5Mode: false });
-      module(function($locationProvider) {
-        $locationProvider.html5Mode(false);
-      });
-      configureRouter([
-        { path: '/b', component: 'twoCmp', name: 'Two' }
-      ]);
-      var elt = compile('<a ng-link="[\'/Two\']">link</a>');
-      expect(elt.find('a').attr('href')).toBe('#/b');
-    });
+    runHrefTestsAndExpectPrefix(false, '');
   });
 
+  describe('html5Mode disabled, with hash prefix', function () {
+    runHrefTestsAndExpectPrefix(false, '!');
+  });
+
+  function runHrefTestsAndExpectPrefix(html5Mode, hashPrefix) {
+    var prefix = html5Mode ? '.' : '#' + hashPrefix;
+
+    it('should allow linking from the parent to the child', function () {
+      setup({html5Mode: html5Mode, hashPrefix: hashPrefix});
+      configureRouter([
+        { path: '/a', component: 'oneCmp' },
+        { path: '/b', component: 'twoCmp', name: 'Two' }
+      ]);
+
+      var elt = compile('<a ng-link="[\'/Two\']">link</a> | outer { <div ng-outlet></div> }');
+      navigateTo('/a');
+      expect(elt.find('a').attr('href')).toBe(prefix + '/b');
+    });
+
+    it('should allow linking from the child and the parent', function () {
+      setup({html5Mode: html5Mode, hashPrefix: hashPrefix});
+      configureRouter([
+        { path: '/a', component: 'oneCmp' },
+        { path: '/b', component: 'twoCmp', name: 'Two' }
+      ]);
+
+      var elt = compile('outer { <div ng-outlet></div> }');
+      navigateTo('/b');
+      expect(elt.find('a').attr('href')).toBe(prefix + '/b');
+    });
+
+
+    it('should allow params in routerLink directive', function () {
+      setup({html5Mode: html5Mode, hashPrefix: hashPrefix});
+      registerComponent('twoLinkCmp', '<div><a ng-link="[\'/Two\', {param: \'lol\'}]">{{twoLinkCmp.number}}</a></div>', function () {this.number = 'two'});
+      configureRouter([
+        { path: '/a', component: 'twoLinkCmp' },
+        { path: '/b/:param', component: 'twoCmp', name: 'Two' }
+      ]);
+
+      var elt = compile('<div ng-outlet></div>');
+      navigateTo('/a');
+      expect(elt.find('a').attr('href')).toBe(prefix + '/b/lol');
+    });
+
+
+    it('should update the href of links with bound params', function () {
+      setup({html5Mode: html5Mode, hashPrefix: hashPrefix});
+      registerComponent('twoLinkCmp', '<div><a ng-link="[\'/Two\', {param: $ctrl.number}]">{{$ctrl.number}}</a></div>', function () {this.number = 43});
+      configureRouter([
+        { path: '/a', component: 'twoLinkCmp' },
+        { path: '/b/:param', component: 'twoCmp', name: 'Two' }
+      ]);
+
+      var elt = compile('<div ng-outlet></div>');
+      navigateTo('/a');
+      expect(elt.find('a').text()).toBe('43');
+      expect(elt.find('a').attr('href')).toBe(prefix + '/b/43');
+    });
+
+
+    it('should navigate on left-mouse click when a link url matches a route', function () {
+      setup({html5Mode: html5Mode, hashPrefix: hashPrefix});
+      configureRouter([
+        { path: '/', component: 'oneCmp' },
+        { path: '/two', component: 'twoCmp', name: 'Two'}
+      ]);
+
+      var elt = compile('<a ng-link="[\'/Two\']">link</a> | <div ng-outlet></div>');
+      expect(elt.text()).toBe('link | one');
+      expect(elt.find('a').attr('href')).toBe(prefix + '/two');
+
+      elt.find('a')[0].click();
+      inject(function($rootScope) { $rootScope.$digest(); });
+      expect(elt.text()).toBe('link | two');
+    });
+
+
+    it('should not navigate on non-left mouse click when a link url matches a route', function() {
+      setup({html5Mode: html5Mode, hashPrefix: hashPrefix});
+      configureRouter([
+        { path: '/', component: 'oneCmp' },
+        { path: '/two', component: 'twoCmp', name: 'Two'}
+      ]);
+
+      var elt = compile('<a ng-link="[\'/Two\']">link</a> | <div ng-outlet></div>');
+      expect(elt.text()).toBe('link | one');
+      elt.find('a').triggerHandler({ type: 'click', which: 3 });
+      inject(function($rootScope) { $rootScope.$digest(); });
+      expect(elt.text()).toBe('link | one');
+    });
+
+
+    // See https://github.com/angular/router/issues/206
+    it('should not navigate a link without an href', function () {
+      setup({html5Mode: html5Mode, hashPrefix: hashPrefix});
+      configureRouter([
+        { path: '/', component: 'oneCmp' },
+        { path: '/two', component: 'twoCmp', name: 'Two'}
+      ]);
+      expect(function () {
+        var elt = compile('<a>link</a>');
+        expect(elt.text()).toBe('link');
+        elt.find('a')[0].click();
+        inject(function($rootScope) { $rootScope.$digest(); });
+      }).not.toThrow();
+    });
+
+    it('should add an ng-link-active class on the current link', function() {
+      setup({html5Mode: html5Mode, hashPrefix: hashPrefix});
+      configureRouter([
+        { path: '/', component: 'oneCmp', name: 'One' }
+      ]);
+
+      var elt = compile('<a ng-link="[\'/One\']">one</a> | <div ng-outlet></div>');
+      navigateTo('/');
+      expect(elt.find('a').attr('class')).toBe('ng-link-active');
+    });
+  }
 
   function registerComponent(name, template, controller) {
     module(function($compileProvider) {
@@ -140,10 +140,10 @@ describe('ngLink', function () {
   }
 
   function setup(config) {
-    var html5Mode = !(config && config.html5Mode === false);
     module('ngComponentRouter')
     module(function($locationProvider) {
-      $locationProvider.html5Mode(html5Mode);
+      $locationProvider.html5Mode(config.html5Mode);
+      $locationProvider.hashPrefix(config.hashPrefix);
     });
     registerComponent('userCmp', '<div>hello {{$ctrl.$routeParams.name}}</div>', function () {});
     registerComponent('oneCmp', '<div>{{$ctrl.number}}</div>', function () {this.number = 'one'});