diff --git a/ipc/shm.c b/ipc/shm.c
index 0add3fa..867e5d6 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -817,7 +817,7 @@
 	struct ipc_namespace *ns;
 	struct shm_file_data *sfd;
 	struct path path;
-	mode_t f_mode;
+	fmode_t f_mode;
 
 	err = -EINVAL;
 	if (shmid < 0)