diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8b5f29fb75f7537c33bfee56151378e9b8c15886..b4f00666b5969509fe12cb1acb3538183c59e18a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,10 +3,9 @@
 before_script:
   - duneci-install-module https://git.imp.fu-berlin.de/agnumpde/dune-matrix-vector.git
 
-dune:git--clang:
-  image: duneci/dune:git
-  script: duneci-standard-test
-
 dune:git--gcc:
   image: duneci/dune:git
-  script: duneci-standard-test --opts=/duneci/opts.clang
+  script:
+  - env
+  - sleep 600 || :
+  - strace -e socket,connect duneci-standard-test --opts=/duneci/opts.clang