diff --git a/makefile b/makefile
index a138c3d84b..d32e3774bb 100644
--- a/makefile
+++ b/makefile
@@ -22,6 +22,8 @@ check-mms-tests:
 	@cd tests/MMS; ./test_suite
 
 check-integrated-tests:
-	@cd tests/integrated; ./test_suite_make && ./test_suite
+	@cd tests/integrated; ./test_suite_make
+	@cd tests/integrated; PYTHONPATH=${PWD}/../../tools/pylib/:${PYTHONPATH} ./test_suite
+
 
 check: check-unit-tests check-integrated-tests check-mms-tests