diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a7b34e1..e770a5e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -62,6 +62,7 @@ schleuder:
     - pip3 install -e .
     - python3 -c 'import os; print(os.listdir(".")); print(); print(os.listdir("test/"))'
     - python3 -m coverage run --rcfile=setup.cfg -m multischleuder --config test/multischleuder.yml --verbose
+    - sleep 5  # wait for mail delivery
     - test/report.sh
     - kill -9 ${API_DAEMON_PID} || true
     - /usr/sbin/postmulti -i - -p stop