diff --git a/src/Presentation/SmartStore.Web/Views/Shared/Partials/_ClientRes.cshtml b/src/Presentation/SmartStore.Web/Views/Shared/Partials/_ClientRes.cshtml
index 01f17fdd6d..c1e29ceb6d 100644
--- a/src/Presentation/SmartStore.Web/Views/Shared/Partials/_ClientRes.cshtml
+++ b/src/Presentation/SmartStore.Web/Views/Shared/Partials/_ClientRes.cshtml
@@ -56,5 +56,7 @@
 <script>
 	window.Res = {
 		@foreach (var key in clientResKeys) { <text>"@(Html.Raw(key))": @(T(key).JsText),</text> }
-	};
+    };
+
+    window.ClientId = "@CommonServices.WorkContext.CurrentCustomer.CustomerGuid";
 </script>
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