diff --git a/packages/forms/src/directives/ng_model.ts b/packages/forms/src/directives/ng_model.ts
index 1a91885f27..b85aa6f240 100644
--- a/packages/forms/src/directives/ng_model.ts
+++ b/packages/forms/src/directives/ng_model.ts
@@ -144,7 +144,7 @@ export class NgModel extends NgControl implements OnChanges,
   // This static member tells the compiler that values of type "string" can also be assigned
   // to the input in a template.
   /** @nodoc */
-  static ngAcceptInputType_disabled: boolean|string;
+  static ngAcceptInputType_isDisabled: boolean|string;
 
   /** @internal */
   _registered = false;
diff --git a/tools/public_api_guard/forms/forms.d.ts b/tools/public_api_guard/forms/forms.d.ts
index 4780d5b0f7..685841ba05 100644
--- a/tools/public_api_guard/forms/forms.d.ts
+++ b/tools/public_api_guard/forms/forms.d.ts
@@ -415,7 +415,7 @@ export declare class NgModel extends NgControl implements OnChanges, OnDestroy {
     ngOnChanges(changes: SimpleChanges): void;
     ngOnDestroy(): void;
     viewToModelUpdate(newValue: any): void;
-    static ngAcceptInputType_disabled: boolean | string;
+    static ngAcceptInputType_isDisabled: boolean | string;
 }
 
 export declare class NgModelGroup extends AbstractFormGroupDirective implements OnInit, OnDestroy {