diff --git a/changelog/unreleased/3376 b/changelog/unreleased/3376
new file mode 100644
index 00000000000..d34c2e257f1
--- /dev/null
+++ b/changelog/unreleased/3376
@@ -0,0 +1,6 @@
+Bugfix: Fix name of selected extension on broken apps
+
+With the edge case of a broken app in config.json, the top bar is broken, because appInfo can't be loaded.
+We made ocis-web more robust by just showing the extension id in the top bar when the appInfo is not available.
+
+https://github.com/owncloud/phoenix/pull/3376
diff --git a/src/components/Top-Bar.vue b/src/components/Top-Bar.vue
index 8a4ff0da7ef..bfacbaa76ef 100644
--- a/src/components/Top-Bar.vue
+++ b/src/components/Top-Bar.vue
@@ -80,7 +80,10 @@ export default {
     },
 
     currentExtensionName() {
-      return this.$gettext(this.apps[this.currentExtension].name)
+      if (this.apps[this.currentExtension]) {
+        return this.$gettext(this.apps[this.currentExtension].name)
+      }
+      return this.currentExtension
     }
   },
   methods: {