diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7c084c2..ab85142 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,7 @@ variables:
   DOCKER_DRIVER: overlay2
   PACKAGES_LIST: ros2trace tracetools tracetools_launch tracetools_read tracetools_test tracetools_trace
 
-services.
+services:
   - docker:dind
 
 # build: