Index: trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c
===================================================================
--- trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c	(revision 7994)
+++ trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c	(revision 7995)
@@ -1151,6 +1151,9 @@
 	static int done_once = 0;
 	render_priv_t *priv = port->render_priv;
 
+	if (gport->pixmap)
+		gdk_pixmap_unref(gport->pixmap);
+
 	gport->pixmap = gdk_pixmap_new(gtk_widget_get_window(gport->drawing_area),
 																 gport->view.canvas_width, gport->view.canvas_height, -1);
 	priv->drawable = gport->pixmap;
Index: trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c
===================================================================
--- trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c	(revision 7994)
+++ trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c	(revision 7995)
@@ -806,8 +806,6 @@
 	GHidPort *p = port;
 	render_priv_t *priv = p->render_priv;
 
-	gport->pixmap = gdk_pixmap_new(gtk_widget_get_window(gport->drawing_area),
-																 gport->view.canvas_width, gport->view.canvas_height, -1);
 	gport->drawing_allowed = pcb_true;
 
 	if (!done_once) {
Index: trunk/src_plugins/lib_gtk_hid/glue_hid.c
===================================================================
--- trunk/src_plugins/lib_gtk_hid/glue_hid.c	(revision 7994)
+++ trunk/src_plugins/lib_gtk_hid/glue_hid.c	(revision 7995)
@@ -136,10 +136,7 @@
 	gport->view.canvas_width = ev->width;
 	gport->view.canvas_height = ev->height;
 
-	if (gport->pixmap)
-		gdk_pixmap_unref(gport->pixmap);
-
-  ghid_drawing_area_configure_hook(out);
+	ghid_drawing_area_configure_hook(out);
 	if (!first_time_done) {
 		first_time_done = TRUE;
 		pcb_board_changed(0);