diff --git a/internal/server/app_apis.go b/internal/server/app_apis.go
index 613814d..359d04b 100644
--- a/internal/server/app_apis.go
+++ b/internal/server/app_apis.go
@@ -878,5 +878,6 @@ func (s *Server) PreviewApp(ctx context.Context, mainAppPath, commitId string, a
 		return nil, err
 	}
 
+	s.apps.ClearAllAppCache() // Clear the cache so that the new app is loaded next time
 	return ret, nil
 }