diff --git a/src/masterMacsController.cpp b/src/masterMacsController.cpp
index dc24442..5a19b09 100644
--- a/src/masterMacsController.cpp
+++ b/src/masterMacsController.cpp
@@ -493,7 +493,7 @@ asynStatus masterMacsController::parseResponse(
                     }
                 }
             }
-            break;
+            return asynDisconnected;
         } else if (fullResponse[i] == '\x18') {
             // CAN
             snprintf(drvMessageText, MAXBUF_,