diff --git a/services/srv1.yaml b/services/srv1.yaml
index 6c81fa995161f866e27d1e9c32c6093fb2d3c0b1..f4638e0eeb347dd4eae639c8b265b2a69213cb92 100644
--- a/services/srv1.yaml
+++ b/services/srv1.yaml
@@ -8,7 +8,7 @@ spec:
   - clusters:
       selector:
         matchLabels:
-          core: true
+          core: "true"
   template:
     metadata:
       name: '{{name}}-{{cluster}}'