New tabs open in old window

[Deven T. Corzine]

If I drag a tab out of a window to create a new window, then use middle-click on links in that tab, the new tabs for those links are created in the old window instead of the new window.

Command line midori
Midori 0.4.7 (de.twotoasts.midori__0)
GTK+ 3.4.4 (3.4.4) Glib 2.32.4 (2.32.4)
WebKitGTK+ 1.8.1 (1.8.1) libsoup 2.38.1
cairo 1.10.2 (1.10.2)
gcr No
granite No
libnotify 0.7.5
single instance Sockets
Platform X11; Linux i686
Identification Mozilla/5.0 (X11; Linux) AppleWebKit/535.22 (KHTML, like Gecko) Chrome/18.0.1025.133 Safari/535.22 Midori/0.4
Video Formats H264 [x] Ogg Theora [x] WebM [x]
Netscape Plugins:

libtotem-mully-plugin.so DivX® Web Player
libtotem-narrowspace-plugin.so QuickTime Plug-in 7.6.6
librhythmbox-itms-detection-plugin.so iTunes Application Detector
libtotem-cone-plugin.so VLC Multimedia Plugin (compatible Totem 3.4.3)
libjavaplugin.so IcedTea-Web Plugin (using IcedTea-Web 1.2 (fedora-2.fc17-i386))
libtotem-gmp-plugin.so Windows Media Player Plug-in 10 (compatible; Totem)
libflashplayer.so Shockwave Flash
libgnome-shell-browser-plugin.so Gnome Shell Integration