diff --git a/xfce4-notifyd/xfce-notify-window.c b/xfce4-notifyd/xfce-notify-window.c
index e05ebd2..24d94c9 100644
--- a/xfce4-notifyd/xfce-notify-window.c
+++ b/xfce4-notifyd/xfce-notify-window.c
@@ -491,6 +491,7 @@ static gboolean xfce_notify_window_draw (GtkWidget *widget,
      * if this is a pixel or two off here and there */
     gtk_widget_input_shape_combine_region(widget, region);
 
+    cairo_surface_destroy (surface);
     cairo_region_destroy (region);
 
     GTK_WIDGET_CLASS (xfce_notify_window_parent_class)->draw (widget, cr);