diff --git a/packages/compiler-cli/src/ngtsc/annotations/src/ng_module.ts b/packages/compiler-cli/src/ngtsc/annotations/src/ng_module.ts
index 2f14dde105..ea2c2b142a 100644
--- a/packages/compiler-cli/src/ngtsc/annotations/src/ng_module.ts
+++ b/packages/compiler-cli/src/ngtsc/annotations/src/ng_module.ts
@@ -324,7 +324,7 @@ export class NgModuleDecoratorHandler implements DecoratorHandler<NgModuleAnalys
 
     if (this.localeId) {
       res.push({
-        name: 'ngLocaleIdDef',
+        name: 'ɵloc',
         initializer: new LiteralExpr(this.localeId),
         statements: [],
         type: STRING_TYPE
diff --git a/packages/core/src/render3/definition.ts b/packages/core/src/render3/definition.ts
index 423bebbaf3..dd38d83e0d 100644
--- a/packages/core/src/render3/definition.ts
+++ b/packages/core/src/render3/definition.ts
@@ -16,7 +16,7 @@ import {initNgDevMode} from '../util/ng_dev_mode';
 import {stringify} from '../util/stringify';
 
 import {EMPTY_ARRAY, EMPTY_OBJ} from './empty';
-import {NG_BASE_DEF, NG_COMP_DEF, NG_DIR_DEF, NG_FACTORY_DEF, NG_LOCALE_ID_DEF, NG_MOD_DEF, NG_PIPE_DEF} from './fields';
+import {NG_BASE_DEF, NG_COMP_DEF, NG_DIR_DEF, NG_FACTORY_DEF, NG_LOC_ID_DEF, NG_MOD_DEF, NG_PIPE_DEF} from './fields';
 import {ComponentDef, ComponentDefFeature, ComponentTemplate, ComponentType, ContentQueriesFunction, DirectiveDef, DirectiveDefFeature, DirectiveType, DirectiveTypesOrFactory, FactoryFn, HostBindingsFunction, PipeDef, PipeType, PipeTypesOrFactory, ViewQueriesFunction, ɵɵBaseDef} from './interfaces/definition';
 import {TAttributes} from './interfaces/node';
 // while SelectorFlags is unused here, it's required so that types don't get resolved lazily
@@ -776,5 +776,5 @@ export function getNgModuleDef<T>(type: any, throwNotFound?: boolean): NgModuleD
 }
 
 export function getNgLocaleIdDef(type: any): string|null {
-  return (type as any)[NG_LOCALE_ID_DEF] || null;
+  return (type as any)[NG_LOC_ID_DEF] || null;
 }
diff --git a/packages/core/src/render3/fields.ts b/packages/core/src/render3/fields.ts
index 90f433ed03..299ab5b035 100644
--- a/packages/core/src/render3/fields.ts
+++ b/packages/core/src/render3/fields.ts
@@ -12,7 +12,7 @@ export const NG_COMP_DEF = getClosureSafeProperty({ɵcmp: getClosureSafeProperty
 export const NG_DIR_DEF = getClosureSafeProperty({ɵdir: getClosureSafeProperty});
 export const NG_PIPE_DEF = getClosureSafeProperty({ɵpipe: getClosureSafeProperty});
 export const NG_MOD_DEF = getClosureSafeProperty({ɵmod: getClosureSafeProperty});
-export const NG_LOCALE_ID_DEF = getClosureSafeProperty({ngLocaleIdDef: getClosureSafeProperty});
+export const NG_LOC_ID_DEF = getClosureSafeProperty({ɵloc: getClosureSafeProperty});
 export const NG_BASE_DEF = getClosureSafeProperty({ngBaseDef: getClosureSafeProperty});
 export const NG_FACTORY_DEF = getClosureSafeProperty({ɵfac: getClosureSafeProperty});