diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7858eca..e772b6b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -60,7 +60,7 @@ test-plain-install:
       -v /sys/fs/cgroup:/sys/fs/cgroup:ro
       -v $CI_PROJECT_DIR:/src
       -e CI_PROJECT_DIR=/src
-      -e CI_COMMIT_TAG=CI_COMMIT_TAG
+      -e CI_COMMIT_TAG=$CI_COMMIT_TAG
       jrei/systemd-ubuntu:20.04
     - docker exec -t systemd-ubuntu /bin/bash /src/.gitlab-ci/test.sh
   only:
diff --git a/.gitlab-ci/test.sh b/.gitlab-ci/test.sh
index 2c3a89e..e2e3c75 100644
--- a/.gitlab-ci/test.sh
+++ b/.gitlab-ci/test.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 VERSION=$(echo "${CI_COMMIT_TAG#*v}" | cut -d'-' -f1)
 PATCHLEVEL=$(echo "${CI_COMMIT_TAG}" | cut -d'-' -f2)
 apt-get -qq update