diff --git a/pkgs/development/libraries/libfm/default.nix b/pkgs/development/libraries/libfm/default.nix
index 3e91c55743f..255ddfa22ad 100644
--- a/pkgs/development/libraries/libfm/default.nix
+++ b/pkgs/development/libraries/libfm/default.nix
@@ -8,8 +8,9 @@
 , pkg-config
 , vala
 , extraOnly ? false
-, withGtk3 ? true , gtk3, gtk2
+, withGtk3 ? false, gtk2, gtk3
 }:
+
 let
     gtk = if withGtk3 then gtk3 else gtk2;
     inherit (lib) optional;