use certified make
diff --git a/tests/tests-randomized/check-bundles.sh b/tests/tests-randomized/check-bundles.sh
index 7af0c8d..48440a5 100755
--- a/tests/tests-randomized/check-bundles.sh
+++ b/tests/tests-randomized/check-bundles.sh
@@ -43,7 +43,7 @@
 
 make_clean_before_bundle() {
     if [ "${need_clean_before_bundle}" = "1" ] ; then
-        (cd ${RNDTEMP} && make clean) || :
+        (cd ${RNDTEMP} && Make clean) || :
     fi
 }