diff --git a/.gitea/workflows/test.yml b/.gitea/workflows/test.yml
index 368a3b546..e724a0b9f 100644
--- a/.gitea/workflows/test.yml
+++ b/.gitea/workflows/test.yml
@@ -16,11 +16,6 @@ jobs:
           ref: main
           path: test-ci
 
-      - name: Install tmux
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y tmux
-
       - name: Run reusable pytest-ci action
         uses: ./test-ci
         with:
@@ -28,7 +23,8 @@ jobs:
           module-dir: slic
           gitea-domain: gitea.psi.ch
           repo-path: tligui_y/slic
-          ci-token: ${{ secrets.CI_TOKEN }} 
+          ci-token: ${{ secrets.CI_TOKEN }}
+          use_tmux_test: "true" 
         continue-on-error: true
 
 ##################################### TO NOT CHANGE #################################