diff --git a/lib/sinon/stub-non-function-property.js b/lib/sinon/stub-non-function-property.js
index ae534ccf1..1ea184ae5 100644
--- a/lib/sinon/stub-non-function-property.js
+++ b/lib/sinon/stub-non-function-property.js
@@ -13,7 +13,7 @@ function stubNonFunctionProperty(object, property, value) {
     object[property] = value;
 
     return {
-        restore: function () {
+        restore: function restore() {
             object[property] = original;
         }
     };