diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 49048dfcf4930b0033af06bb79e9e83980a50370..c074d3723a85d82b1ed2f48025765ab4f65b29cd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -55,7 +55,7 @@ test cardmech 2/2:
   image: ${MPP_REGISTRY}/${MPP_REGISTRY_REPO_DEV}/${IMAGE_NAME_CARDMECH}
   script:
     - cd /mpp/build
-    - python3 mppyrun.py --mpi_tests=1
+    - python3 mppyrun.py --mpi_tests=1 --mute=0
   dependencies: [ "build cardmech" ]
   tags: [ docker ]