diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 410ca19f3eabb4f13d869702b1d83b050b1fe054..f7791332ea907d6eb16ba643fa8d735d629c51fd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -97,10 +97,11 @@ minimal-windows:
     - win
   script:
     - source /cygdrive/c/Users/build/Miniconda3/Scripts/activate
-    - source activate pystencils_dev
-    - env
-    - conda env list
+    - source /cygdrive/c/Users/build/Miniconda3/Scripts/activate
+    - conda create --name pystencils_env_tmp
+    - source activate pystencils_env_tmp
     - pip install git+https://gitlab-ci-token:${CI_JOB_TOKEN}@i10git.cs.fau.de/pycodegen/pystencils.git@master#egg=pystencils
+    - pip list
     - python -c "import numpy"
     - python setup.py quicktest