diff --git a/include/mqueue.h b/include/mqueue.h
index ffbf4ae3d981dcf4351f5c93485504b282a6c46c..92e6ae5ee0de4538bb001ccf3019efad5a822fb3 100644
--- a/include/mqueue.h
+++ b/include/mqueue.h
@@ -1,5 +1,5 @@
-#ifndef _SEMAPHORE_H
-#define _SEMAPHORE_H
+#ifndef _MQUEUE_H
+#define _MQUEUE_H
 #ifdef __cplusplus
 extern "C" {
 #endif