--- rxvt-unicode/src/background.C	2007/09/18 22:01:36	1.5
+++ rxvt-unicode/src/background.C	2007/09/20 22:15:02	1.6
@@ -864,8 +864,8 @@
       gcv.tile = root_pixmap;
       gcv.fill_style = FillTiled;
 
-      while (sx < 0) sx += (int)window_width;
-      while (sy < 0) sy += (int)window_height;
+      while (sx < 0) sx += (int)root_width;
+      while (sy < 0) sy += (int)root_height;
 
       gcv.ts_x_origin = -sx;
       gcv.ts_y_origin = -sy;