diff --git a/ChangeLog b/ChangeLog
index 971a1bb35b..df8199053d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,6 @@
-Tue Oct 12 23:47:18 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Tue Oct 12 23:53:57 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* numeric.c (rb_num2fix): result of rb_num2long is SIGNED_VALUE.
 
 	* compile.c (iseq_build_body), error.c (set_syserr, get_syserr),
 	  (syserr_initialize), gc.c (define_final, rb_gc_copy_finalizer),
diff --git a/numeric.c b/numeric.c
index 65d501ae1e..5125507f04 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1858,7 +1858,7 @@ rb_fix2int(VALUE val)
 VALUE
 rb_num2fix(VALUE val)
 {
-    long v;
+    SIGNED_VALUE v;
 
     if (FIXNUM_P(val)) return val;