diff --git a/pkgs/development/lua-modules/overrides.nix b/pkgs/development/lua-modules/overrides.nix
index ce213535519..9139befe020 100644
--- a/pkgs/development/lua-modules/overrides.nix
+++ b/pkgs/development/lua-modules/overrides.nix
@@ -105,7 +105,7 @@ with super;
     ];
     buildInputs = [
       pkgs.glib
-      pkgs.gobjectIntrospection
+      pkgs.gobject-introspection
     ];
     patches = [
       (pkgs.fetchpatch {
diff --git a/pkgs/games/steam/chrootenv.nix b/pkgs/games/steam/chrootenv.nix
index 3be1f522974..426be1f214a 100644
--- a/pkgs/games/steam/chrootenv.nix
+++ b/pkgs/games/steam/chrootenv.nix
@@ -86,14 +86,14 @@ in buildFHSUserEnv rec {
     xorg.xkeyboardconfig
     xorg.libpciaccess
     ## screeps dependencies
-    gnome3.gtk
+    gtk3
     dbus
     zlib
     glib
     atk
     cairo
     freetype
-    gdk_pixbuf
+    gdk-pixbuf
     pango
     fontconfig
   ] ++ (if (!nativeOnly) then [