diff --git a/src/Umbraco.Web.UI.Client/src/common/resources/entity.resource.js b/src/Umbraco.Web.UI.Client/src/common/resources/entity.resource.js
index 72f8ad5539..780a336fce 100644
--- a/src/Umbraco.Web.UI.Client/src/common/resources/entity.resource.js
+++ b/src/Umbraco.Web.UI.Client/src/common/resources/entity.resource.js
@@ -46,7 +46,7 @@ function entityResource($q, $http, umbRequestHelper) {
                $http.get(
                    umbRequestHelper.getApiUrl(
                        "entityApiBaseUrl",
-                       "GetSafeAlias", { value: value, camelCase: camelCase })),
+                        "GetSafeAlias", { value: encodeURIComponent(value), camelCase: camelCase })),
                'Failed to retrieve content type scaffold');
         },