diff --git a/include/uapi/linux/msg.h b/include/uapi/linux/msg.h
index 22d95c6854e0..a70375526578 100644
--- a/include/uapi/linux/msg.h
+++ b/include/uapi/linux/msg.h
@@ -34,8 +34,8 @@ struct msqid_ds {
 
 /* message buffer for msgsnd and msgrcv calls */
 struct msgbuf {
-	long mtype;         /* type of message */
-	char mtext[1];      /* message text */
+	__kernel_long_t mtype;          /* type of message */
+	char mtext[1];                  /* message text */
 };
 
 /* buffer for msgctl calls IPC_INFO, MSG_INFO */