diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3eb19d1cde883c3b9f191f65dca84f644995ba6e..8d450057cc75982247ec3778952bceaed2db7cfa 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -44,6 +44,6 @@ run_hba_full:
   script:
     - cwltool --no-container --preserve-environment LD_LIBRARY_PATH --preserve-environment PATH --preserve-environment PYTHONPATH workflows/HBA_calibrator.cwl test_jobs/HBA_calibrator.json
     - test_jobs/check_workflow_results.py results /builds/eosc/prefactor3-cwl/data/results_calibrator
-    - rm -f results
+    - rm -rf results
     - cwltool --no-container --preserve-environment LD_LIBRARY_PATH --preserve-environment PATH --preserve-environment PYTHONPATH workflows/HBA_target.cwl test_jobs/HBA_target.json
     - test_jobs/check_workflow_results.py results /builds/eosc/prefactor3-cwl/data/results_target