diff --git a/ChangeLog b/ChangeLog
index 9e3c78914c..8b27c92783 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Jan  5 16:15:00 2009  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* ext/curses/curses.c (free_window): use xfree instead of free.
+	  [ruby-dev:37200]
+
 Mon Jan  5 15:49:45 2009  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
 	* ext/gdbm/gdbm.c (rb_gdbm_fetch): remove needless cast.
diff --git a/ext/curses/curses.c b/ext/curses/curses.c
index f0a61082ea..861104f85b 100644
--- a/ext/curses/curses.c
+++ b/ext/curses/curses.c
@@ -94,7 +94,7 @@ free_window(struct windata *winp)
 {
     if (winp->window && winp->window != stdscr) delwin(winp->window);
     winp->window = 0;
-    free(winp);
+    xfree(winp);
 }
 
 static VALUE