diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 98390ac5cc0e793d7fbae9757343d58902454cdc..41bead64fb43b4e37a5d2bafd862c2623f360554 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -38,6 +38,7 @@ py27-macosx:
   - cd src/cpulimit && make && cd -
   - cd bin && ln -s ../src/cpulimit/src/cpulimit . && cd -
   - export COVERAGE_FILE=.coverage.django
+  - rm -rf ./test_prefix
   - ./bin/coverage run --source='./beat/web' ./bin/django test --settings=beat.web.settings.test -v 2
   - export BEAT_CMDLINE_TEST_PLATFORM=django://beat.web.settings.test
   - export COVERAGE_FILE=.coverage.cmdline