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-rw-r--r--gdk/gdkwindow.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 8dddcd1704..1a64f43cb4 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -1420,7 +1420,8 @@ gdk_window_new (GdkWindow *parent,
window->depth = window->visual->depth;
/* XXX: Cache this somehow? */
- window->background = cairo_pattern_create_rgb (0, 0, 0);
+ window->background = cairo_pattern_create_rgba (0, 0, 0, 0);
+ window->has_alpha_background = TRUE;
}
else
{