diff --git a/src/public/app/services/app_context.js b/src/public/app/services/app_context.js
index 238db11d3..dd31f6da5 100644
--- a/src/public/app/services/app_context.js
+++ b/src/public/app/services/app_context.js
@@ -17,6 +17,7 @@ class AppContext extends Component {
         super();
 
         this.isMainWindow = isMainWindow;
+        this.executors = [];
     }
 
     setLayout(layout) {