diff --git a/packages/core/src/render3/jit/fields.ts b/packages/core/src/render3/jit/fields.ts
index 416c702a50..0937656784 100644
--- a/packages/core/src/render3/jit/fields.ts
+++ b/packages/core/src/render3/jit/fields.ts
@@ -12,6 +12,7 @@ const TARGET = {} as any;
 
 export const NG_COMPONENT_DEF = getClosureSafeProperty({ngComponentDef: TARGET}, TARGET);
 export const NG_DIRECTIVE_DEF = getClosureSafeProperty({ngDirectiveDef: TARGET}, TARGET);
+export const NG_INJECTABLE_DEF = getClosureSafeProperty({ngInjectableDef: TARGET}, TARGET);
 export const NG_INJECTOR_DEF = getClosureSafeProperty({ngInjectorDef: TARGET}, TARGET);
 export const NG_PIPE_DEF = getClosureSafeProperty({ngPipeDef: TARGET}, TARGET);
 export const NG_MODULE_DEF = getClosureSafeProperty({ngModuleDef: TARGET}, TARGET);
diff --git a/packages/core/src/render3/jit/injectable.ts b/packages/core/src/render3/jit/injectable.ts
index 0b0b132421..4fc86832e1 100644
--- a/packages/core/src/render3/jit/injectable.ts
+++ b/packages/core/src/render3/jit/injectable.ts
@@ -14,6 +14,7 @@ import {Type} from '../../type';
 import {getClosureSafeProperty} from '../../util/property';
 
 import {angularCoreEnv} from './environment';
+import {NG_INJECTABLE_DEF} from './fields';
 import {convertDependencies, reflectDependencies} from './util';
 
 
@@ -28,7 +29,7 @@ export function compileInjectable(type: Type<any>, meta?: Injectable): void {
   }
 
   let def: any = null;
-  Object.defineProperty(type, 'ngInjectableDef', {
+  Object.defineProperty(type, NG_INJECTABLE_DEF, {
     get: () => {
       if (def === null) {
         // Check whether the injectable metadata includes a provider specification.