diff --git a/packages/compiler/src/style_url_resolver.ts b/packages/compiler/src/style_url_resolver.ts
index 1f2bbb5dd6..1a45ff0ddc 100644
--- a/packages/compiler/src/style_url_resolver.ts
+++ b/packages/compiler/src/style_url_resolver.ts
@@ -43,5 +43,5 @@ export function extractStyleUrls(
 }
 
 const CSS_IMPORT_REGEXP = /@import\s+(?:url\()?\s*(?:(?:['"]([^'"]*))|([^;\)\s]*))[^;]*;?/g;
-const CSS_COMMENT_REGEXP = /\/\*.+?\*\//g;
+const CSS_COMMENT_REGEXP = /\/\*[\s\S]+?\*\//g;
 const URL_WITH_SCHEMA_REGEXP = /^([^:/?#]+):/;
diff --git a/packages/compiler/test/style_url_resolver_spec.ts b/packages/compiler/test/style_url_resolver_spec.ts
index 5b7b548f1e..3b135e9925 100644
--- a/packages/compiler/test/style_url_resolver_spec.ts
+++ b/packages/compiler/test/style_url_resolver_spec.ts
@@ -40,11 +40,15 @@ export function main() {
       const css = `
       @import '1.css';
       /*@import '2.css';*/
+      /*
+      @import '3.css';
+      */
       `;
       const styleWithImports = extractStyleUrls(urlResolver, 'http://ng.io', css);
       expect(styleWithImports.style.trim()).toEqual('');
       expect(styleWithImports.styleUrls).toContain('http://ng.io/1.css');
       expect(styleWithImports.styleUrls).not.toContain('http://ng.io/2.css');
+      expect(styleWithImports.styleUrls).not.toContain('http://ng.io/3.css');
     });
 
     it('should extract "@import url()" urls', () => {