diff -ur openbox-3.3-rc2/openbox/screen.c openbox-3.3-rc2.bak/openbox/screen.c
--- openbox-3.3-rc2/openbox/screen.c	2004-04-06 19:58:54.000000000 +0200
+++ openbox-3.3-rc2.bak/openbox/screen.c	2005-10-03 17:47:53.000000000 +0200
@@ -969,7 +969,7 @@
 void screen_update_areas()
 {
     guint i, x;
-    guint32 *dims;
+    long *dims;
     GList *it;
     gint o;
 
@@ -987,7 +987,7 @@
         area[i] = g_new0(Rect, screen_num_monitors + 1);
     area[i] = NULL;
      
-    dims = g_new(guint32, 4 * screen_num_desktops);
+    dims = g_new(long, 4 * screen_num_desktops);
 
     for (i = 0; i < screen_num_desktops + 1; ++i) {
         Strut *struts;