diff --git a/srcpkgs/firefox/template b/srcpkgs/firefox/template
index fade5ef3ac..85feb4627a 100644
--- a/srcpkgs/firefox/template
+++ b/srcpkgs/firefox/template
@@ -19,7 +19,7 @@ makedepends="libjpeg-turbo-devel libpng-devel>=1.5.10
  pixman-devel libIDL-devel nss-devel>=3.13.3 sqlite-devel libXrender-devel
  gtk+-devel libevent-devel libnotify-devel libvpx-devel GConf-devel
  startup-notification-devel dbus-glib-devel alsa-lib-devel hunspell-devel
- wireless_tools-devel libXScrnSaver-devel"
+ wireless_tools-devel libXScrnSaver-devel libXt-devel"
 
 do_build() {
 	# Fix PRE_RELEASE_SUFFIX