diff --git a/include/linux/key-type.h b/include/linux/key-type.h
index 39e3c082c49d..f0c651cda7b0 100644
--- a/include/linux/key-type.h
+++ b/include/linux/key-type.h
@@ -13,6 +13,7 @@
 #define _LINUX_KEY_TYPE_H
 
 #include <linux/key.h>
+#include <linux/errno.h>
 
 #ifdef CONFIG_KEYS