diff --git a/include/uapi/linux/netfilter_bridge.h b/include/uapi/linux/netfilter_bridge.h
index f6e8d1e05c97..758de72b2764 100644
--- a/include/uapi/linux/netfilter_bridge.h
+++ b/include/uapi/linux/netfilter_bridge.h
@@ -5,6 +5,10 @@
 /* bridge-specific defines for netfilter. 
  */
 
+#ifndef __KERNEL__
+#include <netinet/if_ether.h>	/* for __UAPI_DEF_ETHHDR if defined */
+#endif
+
 #include <linux/in.h>
 #include <linux/netfilter.h>
 #include <linux/if_ether.h>