diff --git a/src/main.cpp b/src/main.cpp
index 6945e5e..465590f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -144,6 +144,7 @@ void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t length
       }
       break;
     default:
+        frame_data.clear();
       break;
   }
 }