diff --git a/srcpkgs/thunderbird/template b/srcpkgs/thunderbird/template
index 3f8b701a5c5..014a681ef74 100644
--- a/srcpkgs/thunderbird/template
+++ b/srcpkgs/thunderbird/template
@@ -18,7 +18,7 @@ hostmakedepends="autoconf213 unzip zip pkg-config perl python yasm
 makedepends="
  nss-devel libjpeg-turbo-devel gtk+-devel icu-devel pixman-devel
  sqlite-devel libevent-devel libnotify-devel libvpx-devel libXrender-devel
-  hunspell-devel libXcomposite-devel libSM-devel libXt-devel libXdamage-devel
+ hunspell-devel libXcomposite-devel libSM-devel libXt-devel libXdamage-devel
  $(vopt_if alsa alsa-lib-devel) $(vopt_if dbus dbus-glib-devel)
  $(vopt_if gtk3 gtk+3-devel) $(vopt_if pulseaudio pulseaudio-devel)
  $(vopt_if startup_notification startup-notification-devel)