diff --git a/app/utils/asyncInjectors.js b/app/utils/asyncInjectors.js
index c99e37f1ea..de9e75f3d1 100644
--- a/app/utils/asyncInjectors.js
+++ b/app/utils/asyncInjectors.js
@@ -33,6 +33,8 @@ export function injectAsyncReducer(store, isValid) {
       '(app/utils...) injectAsyncReducer: Expected `asyncReducer` to be a reducer function'
     );
 
+    if (Reflect.has(store.asyncReducers, name)) return;
+
     store.asyncReducers[name] = asyncReducer; // eslint-disable-line no-param-reassign
     store.replaceReducer(createReducer(store.asyncReducers));
   };