diff --git a/src/components/PluginSettings/index.tsx b/src/components/PluginSettings/index.tsx
index e1b36ef25..655eeefe9 100644
--- a/src/components/PluginSettings/index.tsx
+++ b/src/components/PluginSettings/index.tsx
@@ -138,11 +138,13 @@ function PluginCard({ plugin, disabled, onRestartNeeded, onMouseEnter, onMouseLe
         }
 
         const result = wasEnabled ? stopPlugin(plugin) : startPlugin(plugin);
-        const action = wasEnabled ? "stop" : "start";
 
         if (!result) {
-            logger.error(`Failed to ${action} plugin ${plugin.name}`);
-            showErrorToast(`Failed to ${action} plugin: ${plugin.name}`);
+            settings.enabled = false;
+
+            const msg = `Error while ${wasEnabled ? "stopping" : "starting"} plugin ${plugin.name}`;
+            logger.error(msg);
+            showErrorToast(msg);
             return;
         }
 
diff --git a/src/plugins/arRPC.web.tsx b/src/plugins/arRPC.web.tsx
index 9a16c6409..f0d484141 100644
--- a/src/plugins/arRPC.web.tsx
+++ b/src/plugins/arRPC.web.tsx
@@ -104,6 +104,6 @@ export default definePlugin({
 
     stop() {
         FluxDispatcher.dispatch({ type: "LOCAL_ACTIVITY_UPDATE", activity: null }); // clear status
-        ws.close(); // close WebSocket
+        ws?.close(); // close WebSocket
     }
 });