diff --git a/desktop/flipper-frontend-core/src/AbstractClient.tsx b/desktop/flipper-frontend-core/src/AbstractClient.tsx
index ec410664f..48b6d5638 100644
--- a/desktop/flipper-frontend-core/src/AbstractClient.tsx
+++ b/desktop/flipper-frontend-core/src/AbstractClient.tsx
@@ -503,6 +503,9 @@ export default abstract class AbstractClient extends EventEmitter {
   }
 
   async supportsMethod(api: string, method: string): Promise<boolean> {
+    if (!this.connected.get()) {
+      return false;
+    }
     const response = await this.rawCall<{
       isSupported: boolean;
     }>('isMethodSupported', true, {
diff --git a/desktop/flipper-plugin/src/plugin/Plugin.tsx b/desktop/flipper-plugin/src/plugin/Plugin.tsx
index f9645b015..aa8aa4d44 100644
--- a/desktop/flipper-plugin/src/plugin/Plugin.tsx
+++ b/desktop/flipper-plugin/src/plugin/Plugin.tsx
@@ -207,7 +207,6 @@ export class SandyPluginInstance extends BasePluginInstance {
         this.events.on('unhandled-event', batched(cb));
       },
       supportsMethod: async (method) => {
-        this.assertConnected();
         return await realClient.supportsMethod(
           this.definition.id,
           method as any,