diff --git a/lib60870-C/src/iec60870/cs104/cs104_connection.c b/lib60870-C/src/iec60870/cs104/cs104_connection.c
index 3a4d251..2568075 100644
--- a/lib60870-C/src/iec60870/cs104/cs104_connection.c
+++ b/lib60870-C/src/iec60870/cs104/cs104_connection.c
@@ -941,6 +941,9 @@ handleConnection(void* parameter)
                             if (self->rawMessageHandler)
                                 self->rawMessageHandler(self->rawMessageHandlerParameter, self->recvBuffer, bytesRec, false);
 
+                            bool startDtRecevied = false;
+                            bool stopDtReceived = false;
+
 #if (CONFIG_USE_SEMAPHORES == 1)
                             Semaphore_wait(self->conStateLock);
 #endif /* (CONFIG_USE_SEMAPHORES == 1) */