diff -ru gtk-smooth-engine-0.6.0.1.orig/engines/gtk2/src/smooth_gtk2_misc.c gtk-smooth-engine-0.6.0.1/engines/gtk2/src/smooth_gtk2_misc.c
--- gtk-smooth-engine-0.6.0.1.orig/engines/gtk2/src/smooth_gtk2_misc.c	2005-01-17 15:03:40.000000000 -0500
+++ gtk-smooth-engine-0.6.0.1/engines/gtk2/src/smooth_gtk2_misc.c	2010-04-15 15:36:22.000000000 -0400
@@ -526,7 +526,7 @@
       if (tmp_border)
 	{
 	  *default_border = *tmp_border;
-	  g_free (tmp_border);
+	  gtk_border_free (tmp_border);
 	}
       else
 	*default_border = default_default_border;
@@ -539,7 +539,7 @@
       if (tmp_border)
 	{
 	  *default_outside_border = *tmp_border;
-	  g_free (tmp_border);
+	  gtk_border_free (tmp_border);
 	}
       else
 	*default_outside_border = default_default_outside_border;