diff --git a/lib/random32.c b/lib/random32.c
index 9f2f2fb03dfe..6fb48477901c 100644
--- a/lib/random32.c
+++ b/lib/random32.c
@@ -38,6 +38,7 @@
 #include <linux/export.h>
 #include <linux/jiffies.h>
 #include <linux/random.h>
+#include <linux/timer.h>
 
 static DEFINE_PER_CPU(struct rnd_state, net_rand_state);