diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h
index 1158a043342a..259617a551f2 100644
--- a/include/uapi/linux/if.h
+++ b/include/uapi/linux/if.h
@@ -24,6 +24,10 @@
 #include <linux/socket.h>		/* for "struct sockaddr" et al	*/
 #include <linux/compiler.h>		/* for "__user" et al           */
 
+#ifndef __KERNEL__
+#include <sys/socket.h>			/* for struct sockaddr.		*/
+#endif
+
 #if __UAPI_DEF_IF_IFNAMSIZ
 #define	IFNAMSIZ	16
 #endif /* __UAPI_DEF_IF_IFNAMSIZ */