diff --git a/src/emulator/hub.ts b/src/emulator/hub.ts
index bcc6b2506f9..77dffe5d40d 100644
--- a/src/emulator/hub.ts
+++ b/src/emulator/hub.ts
@@ -181,7 +181,7 @@ export class EmulatorHub extends ExpressBasedEmulator {
       }
 
       await instance.clearData();
-      res.status(200).json({success: true});
+      res.status(200).json({ success: true });
     });
 
     return app;