diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bb9df91e5bfdebaf525746102e545e14d7648a50..bf7b92056aabdeb81b615e145fd1561148e6e5a9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,7 @@ minimal-windows:
     - win
   script:
     - cat /cygdrive/c/Users/build/Miniconda3/Scripts/activate
-    - source /cygdrive/c/Users/build/Miniconda3/etc/profile.d/conda.sh
+    - \. /cygdrive/c/Users/build/Miniconda3/etc/profile.d/conda.sh
     - conda activate pystencils_dev
     - env
     - conda env list