diff --git a/include/uapi/linux/llc.h b/include/uapi/linux/llc.h
index 9c987a402473..a6c17f66ee94 100644
--- a/include/uapi/linux/llc.h
+++ b/include/uapi/linux/llc.h
@@ -14,6 +14,7 @@
 #define _UAPI__LINUX_LLC_H
 
 #include <linux/socket.h>
+#include <linux/if.h> 		/* For IFHWADDRLEN. */
 
 #define __LLC_SOCK_SIZE__ 16	/* sizeof(sockaddr_llc), word align. */
 struct sockaddr_llc {