diff --git a/ChangeLog b/ChangeLog
index 5b7d971994..b172a0bd46 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Oct  4 08:27:10 2009  Tanaka Akira  <akr@fsij.org>
+
+	* enum.c (slicebefore_ii): use id_eqq.
+
 Sun Oct  4 06:40:09 2009  Alexander Zavorine  <alexandre.zavorine@nokia.com>
 
     * symbian/setup (ruby.mmp): added macro RUBY_EXPORT to match the change in dln.c
diff --git a/enum.c b/enum.c
index 7f284481f6..fa2b5926e7 100644
--- a/enum.c
+++ b/enum.c
@@ -2133,7 +2133,7 @@ slicebefore_ii(VALUE i, VALUE _argp, int argc, VALUE *argv)
     ENUM_WANT_SVALUE();
 
     if (!NIL_P(argp->sep_pat))
-        header_p = rb_funcall(argp->sep_pat, rb_intern("==="), 1, i);
+        header_p = rb_funcall(argp->sep_pat, id_eqq, 1, i);
     else if (NIL_P(argp->state))
         header_p = rb_funcall(argp->sep_pred, rb_intern("call"), 1, i);
     else