diff --git a/templates/gocd/0/docker-compose.yml.tpl b/templates/gocd/0/docker-compose.yml.tpl
index 91017bb..aa37a7a 100644
--- a/templates/gocd/0/docker-compose.yml.tpl
+++ b/templates/gocd/0/docker-compose.yml.tpl
@@ -5,7 +5,7 @@ services:
     tty: true
     image: webcenter/alpine-gocd-server:17.3.0-1
     volumes:
-    {{- if call hasPrefix .Values.VOLUME_DRIVER_SERVER "/" }}
+    {{- if call strings.HasPrefix .Values.VOLUME_DRIVER_SERVER "/" }}
       - /data/gocd-test:/data
     {{- else}}
       - gocd-server-data:/data