diff --git a/Makefile b/Makefile
index d246865..fab7a24 100644
--- a/Makefile
+++ b/Makefile
@@ -190,8 +190,10 @@ dist-clean: clean
 firmware-download:
 	@$(MAKE) -C drivers/dahdi/firmware all
 
+ifneq (,$(wildcard test-script))
 test:
 	./test-script $(DESTDIR)/lib/modules/$(KVERS) dahdi
+endif
 
 docs: $(GENERATED_DOCS)