diff --git a/ChangeLog b/ChangeLog
index 41b9052c05..d74fbba50d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jan  4 23:08:48 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* time.c (time_arg): use converted object.  [ruby-core:14759]
+
 Fri Jan  4 16:24:58 2008  Tanaka Akira  <akr@fsij.org>
 
 	* ext/digest/lib/digest/hmac.rb (Digest::HMAC#initialize): use
diff --git a/time.c b/time.c
index 0f34cf5e58..72ed7c9d15 100644
--- a/time.c
+++ b/time.c
@@ -419,7 +419,7 @@ time_arg(int argc, VALUE *argv, struct tm *tm, long *nsec)
 	    tm->tm_mon = -1;
 	    for (i=0; i<12; i++) {
 		if (RSTRING_LEN(s) == 3 &&
-		    STRCASECMP(months[i], RSTRING_PTR(v[1])) == 0) {
+		    STRCASECMP(months[i], RSTRING_PTR(s)) == 0) {
 		    tm->tm_mon = i;
 		    break;
 		}