diff --git a/jenkins/client/theme.sls b/jenkins/client/theme.sls
index 61a1dfa..64f6298 100644
--- a/jenkins/client/theme.sls
+++ b/jenkins/client/theme.sls
@@ -3,6 +3,6 @@
 {%- if client.theme is defined %}
 set_jenkins_theme:
   jenkins_theme.config:
-    - css_url: {{ client.theme.css_url }}
-    - js_url: {{ client.theme.js_url }}
+    - css_url: {{ client.get('master', {}).get('url_prefix', '') }}{{ client.theme.css_url }}
+    - js_url: {{ client.get('master', {}).get('url_prefix', '') }}{{ client.theme.js_url }}
 {%- endif %}