diff --git a/main/src/test/resources/policytypes/onap.policies.Optimization.yaml b/main/src/test/resources/policytypes/onap.policies.Optimization.yaml
index 62f2c6f..6e99f6a 100644
--- a/main/src/test/resources/policytypes/onap.policies.Optimization.yaml
+++ b/main/src/test/resources/policytypes/onap.policies.Optimization.yaml
@@ -7,7 +7,7 @@
         properties:
             scope:
                 description: Scope for the policy - could be for a specific release.
-                type: string
+                type: list
                 matchable: true
                 required: true
             services: