--- a/src/video/windows/SDL_windowsevents.c	Fri Feb 08 00:54:08 2013 -0800
+++ b/src/video/windows/SDL_windowsevents.c	Fri Feb 08 01:04:07 2013 -0800
@@ -469,8 +469,10 @@
                size so we don't need to call AdjustWindowRectEx twice */
             min_w -= w;
             min_h -= h;
-            max_w -= w;
-            max_h -= h;
+            if (max_w && max_h) {
+                max_w -= w;
+                max_h -= h;
+            }
 
             size.top = 0;
             size.left = 0;