diff --git a/src/core/platform/web/jquery/_jquery.js b/src/core/platform/web/jquery/_jquery.js
index 578ce4eb7..000afa50c 100644
--- a/src/core/platform/web/jquery/_jquery.js
+++ b/src/core/platform/web/jquery/_jquery.js
@@ -213,7 +213,7 @@
 					copy = options[ name ];
 
 					// Prevent never-ending loop
-					if ( target === copy ) {
+					if ( name === "__proto__" || target === copy ) {
 						continue;
 					}