diff --git a/policyDefinitions/Authorization/deny-custom-roles-with-exclusionlist/azurepolicy.json b/policyDefinitions/Authorization/deny-custom-roles-with-exclusionlist/azurepolicy.json
index 41c3ae56..fa109f03 100644
--- a/policyDefinitions/Authorization/deny-custom-roles-with-exclusionlist/azurepolicy.json
+++ b/policyDefinitions/Authorization/deny-custom-roles-with-exclusionlist/azurepolicy.json
@@ -45,7 +45,7 @@
           },
           {
             "field": "Microsoft.Authorization/roleDefinitions/roleName",
-            "notIn": "[parameters('ExcludedRoleNames')]"
+            "notIn": "[parameters('excludedRoleNames')]"
           }
         ]
       },
@@ -54,4 +54,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}