diff --git a/demo/main.js b/demo/main.js
index 857e5845e..6990d1988 100644
--- a/demo/main.js
+++ b/demo/main.js
@@ -189,6 +189,12 @@ class Demo extends Component {
             inputFiles[images[i]] = { imageSrc };
           }
           await this.initiateConnection(inputFiles);
+          stores.resetStores();
+          stores.inject(NotificationStore, {
+            notifyUser: this.notifyUser,
+            raiseError: this.raiseError,
+            askConfirmation: this.askConfirmation,
+          });
           this.state.key = this.state.key + 1;
 
           // note : the onchange won't be called if we cancel the dialog w/o selecting a file, so this won't be called.
diff --git a/src/store_engine/dependency_container.ts b/src/store_engine/dependency_container.ts
index defc9ea6b..57ede2d21 100644
--- a/src/store_engine/dependency_container.ts
+++ b/src/store_engine/dependency_container.ts
@@ -32,6 +32,10 @@ export class DependencyContainer {
   instantiate<T>(Store: StoreConstructor<T>, ...args: StoreParams<StoreConstructor<T>>): T {
     return this.factory.build(Store, ...args);
   }
+
+  resetStores() {
+    this.dependencies.clear();
+  }
 }
 
 class StoreFactory {