2 files changed, 5 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index adbdaf79ec..f583deadc7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Dec  8 23:04:02 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* iseq.c (iseq_s_load): fix mysterious bug.
+
 Tue Dec  8 22:31:58 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* introduce new ISeq binary format serializer/de-serializer
diff --git a/iseq.c b/iseq.c
index 061de83af8..1fd4009a03 100644
--- a/iseq.c
+++ b/iseq.c
@@ -587,7 +587,7 @@ static VALUE
 iseq_s_load(int argc, VALUE *argv, VALUE self)
 {
     VALUE data, opt=Qnil;
-    rb_scan_args(argc, argv, "01", &opt);
+    rb_scan_args(argc, argv, "11", &data, &opt);
     return iseq_load(data, NULL, opt);
 }