diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 7fa95df60146..857f5026ced6 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -13,6 +13,7 @@
 #endif
 #include <linux/types.h>
 #include <linux/compiler.h>
+#include <linux/sysctl.h>
 
 /* Responses from hook functions. */
 #define NF_DROP 0
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 3ae491932bc8..07a60e8b749e 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -7,6 +7,7 @@
 #include <asm/atomic.h>
 #include <linux/workqueue.h>
 #include <linux/list.h>
+#include <linux/sysctl.h>
 
 #include <net/netns/core.h>
 #include <net/netns/mib.h>