diff --git a/target/linux/ar71xx/image/legacy.mk b/target/linux/ar71xx/image/legacy.mk
index 35111bef6b..bbaf6844a7 100644
--- a/target/linux/ar71xx/image/legacy.mk
+++ b/target/linux/ar71xx/image/legacy.mk
@@ -906,6 +906,7 @@ endef
 
 
 Image/Build/OpenMesh/buildkernel=$(call MkuImageLzma,$(2))
+Image/Build/OpenMesh/initramfs=$(call MkuImageLzma/initramfs,$(2),)
 
 define Image/Build/OpenMesh
 	-sh $(TOPDIR)/scripts/om-fwupgradecfg-gen.sh \