http://bugzilla.xfce.org/show_bug.cgi?id=6604
http://bugs.gentoo.org/327081

--- exo-helper/helpers/opera-browser.desktop.in.in
+++ exo-helper/helpers/opera-browser.desktop.in.in
@@ -8,4 +8,4 @@
 X-XFCE-Binaries=opera;
 X-XFCE-Category=WebBrowser
 X-XFCE-Commands=%B;
-X-XFCE-CommandsWithParameter=%B -remote "openURL(%s,new-window)";%B "%s";
+X-XFCE-CommandsWithParameter=%B "%s";