diff --git a/include/linux/random.h b/include/linux/random.h
index 407ea36..25d02fe 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -7,6 +7,7 @@
 #ifndef _LINUX_RANDOM_H
 #define _LINUX_RANDOM_H
 
+#include <linux/types.h>
 #include <linux/ioctl.h>
 #include <linux/irqnr.h>