diff --git a/ChangeLog b/ChangeLog
index 150ef43cc4..53e691b1c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Mar 31 06:57:14 2010  Tanaka Akira  <akr@fsij.org>
+
+	* time.c (timew2timespec): fix previous change.
+
 Wed Mar 31 00:32:19 2010  Tanaka Akira  <akr@fsij.org>
 
 	* time.c (wdivmod): renamed from wdivmodv.  fix neg/pos and pos/neg.
diff --git a/time.c b/time.c
index 966416ca0e..7217951fa3 100644
--- a/time.c
+++ b/time.c
@@ -1634,7 +1634,7 @@ timew2timespec(wideval_t timew)
 
     if (timew_out_of_timet_range(timew))
 	rb_raise(rb_eArgError, "time out of system range");
-    split_second(timew, &timew, &subsecx);
+    split_second(timew, &timew2, &subsecx);
     ts.tv_sec = WV2TIMET(timew2);
     ts.tv_nsec = NUM2LONG(mulquo(subsecx, INT2FIX(1000000000), INT2FIX(TIME_SCALE)));
     return ts;