diff --git a/Makefile b/Makefile
index ca0510dee2aaf7045706ecfea2ddd9c5ae5ff2f4_TWFrZWZpbGU=..7954842c963761226c82f536fc252fa1f3771411_TWFrZWZpbGU= 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@
 tests-%:
 	@echo "Path to crew repo is $(CREW) - set this with CREW= if needed."
 	hg -R $(CREW) checkout $$(echo $@ | sed s/tests-//) && \
-	(cd $(CREW) ; make clean ) && \
+	(cd $(CREW) ; $(MAKE) clean ) && \
 	cd tests && $(PYTHON) $(CREW)/tests/run-tests.py $(TESTFLAGS)
 
 all-version-tests: tests-1.4.3 tests-1.5.4 tests-1.6.2 tests-tip