diff --git a/gdk/gdktypes.h b/gdk/gdktypes.h
index 417aec211d..f50d02f49a 100644
--- a/gdk/gdktypes.h
+++ b/gdk/gdktypes.h
@@ -146,7 +146,7 @@ typedef struct _GdkDrawable           GdkDrawable;
  *
  * An opaque structure representing an onscreen drawable.
  */
-typedef struct _GdkDrawable           GdkWindow;
+typedef struct _GdkWindow             GdkWindow;
 typedef struct _GdkDisplay	      GdkDisplay;
 typedef struct _GdkScreen	      GdkScreen;