diff --git a/modules/store/src/models.ts b/modules/store/src/models.ts
index ef6acfbd78..a44d6bb188 100644
--- a/modules/store/src/models.ts
+++ b/modules/store/src/models.ts
@@ -10,7 +10,7 @@ export interface ActionReducer<T, V extends Action = Action> {
   (state: T | undefined, action: V): T;
 }
 
-export type ActionReducerMap<T, V extends Action = Action> = {
+export type ActionReducerMap<T, V extends Action = any> = {
   [p in keyof T]: ActionReducer<T[p], V>
 };
 
diff --git a/modules/store/src/reducer_manager.ts b/modules/store/src/reducer_manager.ts
index bbbcf4441e..75c5a16f90 100644
--- a/modules/store/src/reducer_manager.ts
+++ b/modules/store/src/reducer_manager.ts
@@ -72,7 +72,10 @@ export class ReducerManager extends BehaviorSubject<ActionReducer<any, any>>
 
   private updateReducers(key: string) {
     this.next(this.reducerFactory(this.reducers, this.initialState));
-    this.dispatcher.next(<Action & {feature: string}>{ type: UPDATE, feature: key });
+    this.dispatcher.next(<Action & { feature: string }>{
+      type: UPDATE,
+      feature: key,
+    });
   }
 
   ngOnDestroy() {