diff --git a/ChangeLog b/ChangeLog
index 13a29cc529..cdd03b135a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Oct 28 14:51:31 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/etc/etc.c (etc_each_group): fixed typo.
+
 Wed Oct 28 13:02:10 2009  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/net/ftp.rb (Net::FTP#initialize): sets @binary to true.
diff --git a/ext/etc/etc.c b/ext/etc/etc.c
index c8e52dabc2..fc96b5f548 100644
--- a/ext/etc/etc.c
+++ b/ext/etc/etc.c
@@ -464,7 +464,7 @@ etc_group(VALUE obj)
     return Qnil;
 }
 
-#ifdef HAVE_GETPWENT
+#ifdef HAVE_GETGRENT
 /* Iterates for each entry in the /etc/group file if a block is given.
  * If no block is given, returns the enumerator.
  *