diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 78ec534..ce4aaf9 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -122,6 +122,7 @@
 #include <net/flow.h>
 #include <asm/system.h>
 #include <asm/ioctls.h>
+#include <linux/capability.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/proc_fs.h>