diff --git a/block/ioprio.c b/block/ioprio.c
index 3790669..89c43e0 100644
--- a/block/ioprio.c
+++ b/block/ioprio.c
@@ -25,6 +25,7 @@
 #include <linux/ioprio.h>
 #include <linux/blkdev.h>
 #include <linux/capability.h>
+#include <linux/sched/user.h>
 #include <linux/syscalls.h>
 #include <linux/security.h>
 #include <linux/pid_namespace.h>