diff -u wine-mozilla-2.34/wine/mozconfig-common.mozconfig wine-mozilla-2.34/wine/mozconfig-common
--- wine-mozilla-2.34/wine/mozconfig-common.mozconfig	2014-11-30 23:45:56.459418802 -0600
+++ wine-mozilla-2.34/wine/mozconfig-common	2014-11-30 23:50:02.787462918 -0600
@@ -11,6 +11,7 @@
 ac_add_options --without-intl-api
 ac_add_options --disable-sandbox
 ac_add_options --disable-gamepad
+ac_add_options --enable-win32-target=WINNT
 
 export CFLAGS="$CFLAGS -DWINE_GECKO_SRC"
 export CXXFLAGS="$CXXFLAGS -DWINE_GECKO_SRC"