diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 58e587ba0450..3135fa0ba9a4 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -1183,7 +1183,7 @@ struct ethtool_rxnfc {
 		__u32			rule_cnt;
 		__u32			rss_context;
 	};
-	__u32				rule_locs[0];
+	__u32				rule_locs[];
 };