diff --git a/src/js/index.js b/src/js/index.js
index 63b2dccf8..38961f133 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -199,18 +199,21 @@ app.filter('installError', function () {
 
 app.filter('activeTask', function () {
     return function (app) {
+        if (!app) return false;
         return app.taskId !== null;
     };
 });
 
 app.filter('installSuccess', function () {
     return function (app) {
+        if (!app) return false;
         return app.installationState === ISTATES.INSTALLED;
     };
 });
 
 app.filter('appIsInstalledAndHealthy', function () {
     return function (app) {
+        if (!app) return false;
         return (app.installationState === ISTATES.INSTALLED && app.health === HSTATES.HEALTHY);
     };
 });