diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a01b0830cca80c7949be578a455760c4f9e58015..469f64f673286dfc0c7942d4bc3a4c9b950e91d8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,9 +6,8 @@ default:
       - $CI_PROJECT_DIR/.cache/pip
   before_script:
     - python -V
-    #- pip install virtualenv
-    #- virtualenv $CI_PROJECT_DIR/.venv
-    - python -m venv $CI_PROJECT_DIR/.venv
+    - pip install virtualenv
+    - virtualenv $CI_PROJECT_DIR/.venv
     - source $CI_PROJECT_DIR/.venv/bin/activate
     - pip install --upgrade pip
     - pip install --force-reinstall --index-url https://pypi.anaconda.org/intel/simple --no-dependencies numpy scipy==1.7.3
@@ -36,7 +35,6 @@ stages:
 test_import:
   stage: test
   script:
-    - source .venv/bin/activate
     # cannot do this, because I cannot read data ...
     #- ./pes_to_spec/test/offline_analysis.py -p 900331 -r 69 -t 70 -d results_ard --model-type ard
     - python -m unittest ./pes_to_spec/test/test_import.py