diff --git a/playbooks/docker_build_service.yml b/playbooks/docker_build_service.yml
index e0723d1d..bcda0087 100644
--- a/playbooks/docker_build_service.yml
+++ b/playbooks/docker_build_service.yml
@@ -12,7 +12,7 @@
       become: true
 
     - name: Build Docker image
-      shell: "{{ zuul.project.src_dir }}/docker/build_image.sh {{ zuul.tag if zuul.pipeline == 'release' else zuul.branch | basename }}"
+      shell: "{{ zuul.project.src_dir }}/docker/build_image.sh {{ zuul.tag if zuul.pipeline == 'release' else zuul.branch }}"
       become: true
 
     - name: List images