diff --git a/pkgs/desktops/pantheon/default.nix b/pkgs/desktops/pantheon/default.nix
index edcda8877544..13fd871b64f8 100644
--- a/pkgs/desktops/pantheon/default.nix
+++ b/pkgs/desktops/pantheon/default.nix
@@ -87,6 +87,7 @@ lib.makeScope pkgs.newScope (self: with self; {
 
   gala = callPackage ./desktop/gala {
     inherit (gnome3) gnome-desktop;
+    vala = pkgs.vala_0_46;
   };
 
   wingpanel = callPackage ./desktop/wingpanel { };