diff --git a/nhrpd/netlink_gre.c b/nhrpd/netlink_gre.c
index 7cd30aa..93998dc 100644
--- a/nhrpd/netlink_gre.c
+++ b/nhrpd/netlink_gre.c
@@ -7,9 +7,10 @@
  * (at your option) any later version.
  */
 
-#include <netinet/in.h>
+#include <sys/socket.h>
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
+#include <linux/in.h>
 #include <linux/if.h>
 #include <linux/ip.h>
 #include <linux/ipv6.h>