diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 745bf741e029c50d8a464374ec5cc4bae855c655..949d77528f2f9cd87839029b424bded13cb52136 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -230,7 +230,7 @@ extern int 			ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
 							   void __user *buffer,
 							   size_t *lenp,
 							   loff_t *ppos);
-int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl,
+int ndisc_ifinfo_sysctl_strategy(struct ctl_table *ctl,
 				 void __user *oldval, size_t __user *oldlenp,
 				 void __user *newval, size_t newlen);
 #endif