diff --git a/target/linux/ramips/image/Makefile b/target/linux/ramips/image/Makefile
index 7b53a2f744..2af6d68547 100644
--- a/target/linux/ramips/image/Makefile
+++ b/target/linux/ramips/image/Makefile
@@ -78,6 +78,11 @@ define Build/umedia-header
 	fix-u-media-header -T 0x46 -B $(1) -i $@ -o $@.new && mv $@.new $@
 endef
 
+define Build/senao-header
+	$(STAGING_DIR_HOST)/bin/mksenaofw $(1) -e $@ -o $@.new
+	mv $@.new $@
+endef
+
 #
 # The real magic happens inside these templates
 #