diff --git a/make/py-run.mk b/make/py-run.mk
index ce30667c..2a1ac497 100644
--- a/make/py-run.mk
+++ b/make/py-run.mk
@@ -15,7 +15,7 @@ run:
 	$(PYTHON) $(EXE) $(EXE_ARGS)
 
 run.sh:
-	echo -e "#!/bin/bash\n\nexport PYTHONPATH=$(PYTHONPATH)\nset -x\nexec $(PYTHON) $(EXE)" '"$$*"' > $@.tmp
+	echo -e "#!/bin/bash\n\nexport PYTHONPATH=$(PYTHONPATH)\nset -x\nexec $(PYTHON) $(EXE)" '"$$@"' > $@.tmp
 	chmod 755 $@.tmp
 	mv $@.tmp $@
 clean-run-sh: