diff --git a/ChangeLog b/ChangeLog
index 32dad4c028..21d5457ac3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jul 26 13:52:25 2010  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* configure.in: define BROKEN_CLOSE only on FreeBSD.
+	  This needs to merge to 1.9.2.
+
 Mon Jul 26 13:01:25 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm.c (rb_thread_mark): should mark iseq itself other than normal
diff --git a/configure.in b/configure.in
index fd6a094cea..bf86c7fa6b 100644
--- a/configure.in
+++ b/configure.in
@@ -1155,7 +1155,7 @@ main()
 	rb_cv_broken_glibc_ia64_erfc=no)])
 AS_CASE([$rb_cv_broken_glibc_ia64_erfc],[yes],[ac_cv_func_erf=no])
 
-AS_CASE(["$target_os"],[freebsd],[],[
+AS_CASE(["$target_os"],[freebsd],[
 	 AC_DEFINE(BROKEN_CLOSE)
 	 AC_REPLACE_FUNCS(close)
 	 ])