diff --git a/lcl/interfaces/gtk/gtk1extrah.inc b/lcl/interfaces/gtk/gtk1extrah.inc
index 5db60fcced..ed952460a0 100644
--- a/lcl/interfaces/gtk/gtk1extrah.inc
+++ b/lcl/interfaces/gtk/gtk1extrah.inc
@@ -30,7 +30,7 @@ uses
 
 type
   PGtkOldEditable = PGtkEditable;
-
+  GType = TGtkType;
 
 function G_OBJECT(p: Pointer): PGtkObject;
 function G_CALLBACK(p: Pointer): TGTKSignalFunc;
diff --git a/lcl/interfaces/gtk/gtkwinapiwindow.pp b/lcl/interfaces/gtk/gtkwinapiwindow.pp
index 400c2d26c6..a7d9e38b0a 100644
--- a/lcl/interfaces/gtk/gtkwinapiwindow.pp
+++ b/lcl/interfaces/gtk/gtkwinapiwindow.pp
@@ -39,7 +39,7 @@ uses
   {$IFDEF gtk2}
   GtkExtra, glib2, gdk2pixbuf, gdk2, gtk2,
   {$ELSE}
-  glib, gdk, gtk, gdkpixbuf,
+  glib, gdk, gtk, gdkpixbuf, gtkextra,
   {$ENDIF}
   Controls, GTKProc, GtkDef;