diff --git a/ChangeLog b/ChangeLog
index 5b3789ea2b..cac0769bf2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Dec 25 22:55:42 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (TIMEZONE_VOID): typo.
+
 Tue Dec 25 22:45:10 2007  Koichi Sasada  <ko1@atdot.net>
 
 	* insns2vm.rb: add encoding option to shbang.
diff --git a/configure.in b/configure.in
index e25803561d..f0cdc2ee5a 100644
--- a/configure.in
+++ b/configure.in
@@ -694,7 +694,7 @@ RUBY_CHECK_VARTYPE(timezone, [#include <time.h>], [long int])
 RUBY_CHECK_VARTYPE(altzone, [#include <time.h>], [long int])
 if test "$rb_cv_var_timezone" = no; then
   AC_CHECK_FUNCS(timezone)
-  if test "$ ac_cv_func_timezone" = yes; then
+  if test "$ac_cv_func_timezone" = yes; then
     AC_CACHE_CHECK([whether timezone requires zero arguments], rb_cv_func_timezone_void,
       [AC_TRY_COMPILE([#include <time.h>],
 	[(void)timezone(0, 0);],