diff --git a/tools/firmware/Makefile b/tools/firmware/Makefile
index 4b1fda5..b3bfa02 100644
--- a/tools/firmware/Makefile
+++ b/tools/firmware/Makefile
@@ -18,7 +18,7 @@ SUBDIRS-$(CONFIG_ROMBIOS) += vgabios
 SUBDIRS-y += hvmloader
 
 ovmf-dir:
-	GIT=$(GIT) $(XEN_ROOT)/scripts/git-checkout.sh $(OVMF_UPSTREAM_URL) $(OVMF_UPSTREAM_REVISION) ovmf-dir
+	[ -d ovmf-dir ] || ln -s ovmf-dir-remote ovmf-dir
 	cp ovmf-makefile ovmf-dir/Makefile;
 
 seabios-dir: