diff --git a/net/openvswitch/Makefile b/net/openvswitch/Makefile
index 397c1da4b..c0c3e8e15 100644
--- a/net/openvswitch/Makefile
+++ b/net/openvswitch/Makefile
@@ -136,7 +136,7 @@ define Build/Compile
 		ARCH="$(LINUX_KARCH)" \
 		SUBDIRS="$(PKG_BUILD_DIR)/datapath/linux" \
 		PATH="$(TARGET_PATH)" \
-		KCFLAGS="$(KCFLAGS)" \
+		EXTRA_CFLAGS="$(KCFLAGS)" \
 		KCC="$(KERNEL_CC)"
 endef