diff --git a/Makefile b/Makefile
index 591aa79..133b6fb 100644
--- a/Makefile
+++ b/Makefile
@@ -87,9 +87,9 @@
 	@echo "INPUT_FILES=\"${INPUT_FILES}\""
 
 check:
-	PYTHONPATH=. ./utest/test_parser.py
-	PYTHONPATH=. ./utest/test_frontend.py
-	PYTHONPATH=. ./utest/test_test_data.py
+	./utest/test_parser.py
+	./utest/test_frontend.py
+	./utest/test_test_data.py
 
 check-py: python
 	PYTHONPATH=${LOXI_OUTPUT_DIR}/pyloxi:. python py_gen/tests/generic_util.py