diff --git a/packages/core.gbapp/services/GBMinService.ts b/packages/core.gbapp/services/GBMinService.ts
index 62d31ed7..2013d70c 100644
--- a/packages/core.gbapp/services/GBMinService.ts
+++ b/packages/core.gbapp/services/GBMinService.ts
@@ -528,8 +528,10 @@ export class GBMinService {
       // Sends all information to the .gbui web client.
 
       if (!theme) {
-        theme = `${instance.botId}.gbtheme`;
+        theme = `default.gbtheme`;
       }
+
+
       res.send(
         JSON.stringify({
           instanceId: instance.instanceId,