diff --git a/Inc/CanSerialPortFrame.h b/Inc/CanSerialPortFrame.h
index 26718a7..7327e05 100644
--- a/Inc/CanSerialPortFrame.h
+++ b/Inc/CanSerialPortFrame.h
@@ -42,7 +42,7 @@ typedef struct {
     osMessageQueueId_t rxDataSnifferQueue0;
     osMessageQueueId_t rxDataSnifferQueue1;
 
-    osMessageQueueId_t txAccessQueue[3];
+    osMutexId_t txAccessQueue[3];
 
 } tCanSerialPortFrameArtery;