diff --git a/Makefile b/Makefile
index 3d005a9d2..827157109 100644
--- a/Makefile
+++ b/Makefile
@@ -10,10 +10,14 @@ include $(LIBDIR)/main.mk
 $(LIBDIR)/main.mk:
 ifneq (,$(shell grep "path *= *$(LIBDIR)" .gitmodules 2>/dev/null))
 	git submodule sync
-	git submodule update $(CLONE_ARGS) --init
+	git submodule update --init
 else
-	git clone -q --depth 10 $(CLONE_ARGS) \
-	    -b main https://github.com/martinthomson/i-d-template $(LIBDIR)
+ifneq (,$(wildcard $(ID_TEMPLATE_HOME)))
+	ln -s "$(ID_TEMPLATE_HOME)" $(LIBDIR)
+else
+	git clone -q --depth 10 -b main \
+	    https://github.com/martinthomson/i-d-template $(LIBDIR)
+endif
 endif
 
 clean::