diff --git a/ChangeLog b/ChangeLog
index d8064da174..be259dd5b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Nov 22 18:49:47 2003  NAKAMURA Usaku <usa@ruby-lang.org>
+
+	* ext/curses/curses.c (window_nodelay): nodelay() of NetBSD's
+	  libcruses returns no value, just like keypad().
+
 Sat Nov 22 17:36:36 2003  NAKAMURA Usaku <usa@ruby-lang.org>
 
 	* bcc32/Makefile.sub, win32/Makefile.sub, wince/Makefile.sub
diff --git a/ext/curses/curses.c b/ext/curses/curses.c
index 7900573df7..2e60b21609 100644
--- a/ext/curses/curses.c
+++ b/ext/curses/curses.c
@@ -1339,8 +1339,14 @@ window_nodelay(VALUE obj, VALUE val)
 #ifdef HAVE_NODELAY
   struct windata *winp;
   GetWINDOW(obj,winp);
-  
+
+  /* nodelay() of NetBSD's libcurses returns no value */
+#if defined(__NetBSD__) && !defined(NCURSES_VERSION)
+  nodelay(winp->window, RTEST(val) ? TRUE : FALSE);
+  return Qnil;
+#else
   return nodelay(winp->window,RTEST(val) ? TRUE : FALSE) == OK ? Qtrue : Qfalse;
+#endif
 #else
     rb_notimplement();
 #endif