diff --git a/lib/handlebars/runtime.js b/lib/handlebars/runtime.js
index 36bf6c94..a3ff1e0f 100644
--- a/lib/handlebars/runtime.js
+++ b/lib/handlebars/runtime.js
@@ -445,6 +445,7 @@ function wrapHelpersToPassLookupProperty(mergedHelpers, container) {
 function passLookupPropertyOption(helper, container) {
   const lookupProperty = container.lookupProperty;
   return wrapHelper(helper, options => {
-    return Utils.extend({ lookupProperty }, options);
+    options.lookupProperty = lookupProperty;
+    return options;
   });
 }