diff --git a/include/mqueue.h b/include/mqueue.h
index 8fb6c4470b..3590e9a018 100644
--- a/include/mqueue.h
+++ b/include/mqueue.h
@@ -27,8 +27,10 @@
  * Included Files
  ****************************************************************************/
 
+#include <fcntl.h>
 #include <sys/types.h>
 #include <signal.h>
+#include <time.h>
 
 /****************************************************************************
  * Pre-processor Definitions