--- config-top.h
+++ config-top.h	2014-04-17 10:19:39.698805960 +0000
@@ -122,7 +122,7 @@
 
 /* Define to 0 if you want the checkwinsize option off by default, 1 if you
    want it on. */
-#define CHECKWINSIZE_DEFAULT	0
+#define CHECKWINSIZE_DEFAULT	1
 
 /* Define to 1 if you want to optimize for sequential array assignment when
    using indexed arrays, 0 if you want bash-4.2 behavior, which favors