diff --git a/public/pages/adminpage/ctrl_backend_component_storage.js b/public/pages/adminpage/ctrl_backend_component_storage.js
index 473768261..dd5d92e75 100644
--- a/public/pages/adminpage/ctrl_backend_component_storage.js
+++ b/public/pages/adminpage/ctrl_backend_component_storage.js
@@ -118,7 +118,7 @@ export default async function(render) {
 
 const saveConnections = () => rxjs.pipe(
     rxjs.mergeMap((connections) => getState().pipe(rxjs.map((config) => {
-        config.connections = connections;
+        if (Array.isArray(connections)) config.connections = connections;
         return config;
     }))),
     saveConfig(),
diff --git a/public/pages/adminpage/ctrl_backend_state.js b/public/pages/adminpage/ctrl_backend_state.js
index bb3d5a243..45167dc4a 100644
--- a/public/pages/adminpage/ctrl_backend_state.js
+++ b/public/pages/adminpage/ctrl_backend_state.js
@@ -11,7 +11,7 @@ const backendsEnabled$ = new rxjs.BehaviorSubject([]);
 export async function initStorage() {
     return await getConfig().pipe(
         rxjs.map(({ connections }) => connections),
-        rxjs.tap((connections) => backendsEnabled$.next(connections)),
+        rxjs.tap((connections) => backendsEnabled$.next(Array.isArray(connections) ? connections : [])),
     ).toPromise();
 }