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-rw-r--r--ext/date/date_core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/date/date_core.c b/ext/date/date_core.c
index f9b08cb622..53539b49f1 100644
--- a/ext/date/date_core.c
+++ b/ext/date/date_core.c
@@ -1,5 +1,5 @@
/*
- date_core.c: Coded by Tadayoshi Funaba 2010, 2011
+ date_core.c: Coded by Tadayoshi Funaba 2010-2012
*/
#include "ruby.h"
@@ -8487,6 +8487,7 @@ iso8601_timediv(VALUE self, VALUE n)
{
VALUE fmt;
+ n = to_integer(n);
fmt = rb_usascii_str_new2("T%H:%M:%S");
if (f_gt_p(n, INT2FIX(0))) {
VALUE argv[3];