diff --git a/ChangeLog b/ChangeLog
index 2af806b90c..6533c2538d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Aug  9 21:53:17 2005  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* eval.c (formal_assign): let default values override
+	  arguments to zsuper.  fixed: [ruby-dev:26743]
+
 Tue Aug  9 15:12:04 2005  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 
 	* ext/tk/tcltklib.c: remove dangerous 'rb_jump_tag's.
@@ -5,11 +10,11 @@ Tue Aug  9 15:12:04 2005  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 	* ext/tk/lib/tk.rb: add __val2ruby_optkeys and __ruby2val_optkeys to
 	  help to convert option values between ruby and tcl.
 
-	* ext/tk/lib/tk/itemconfig.rb: add __item_val2ruby_optkeys and 
-	  __item_ruby2val_optkeys to help to convert option values between 
+	* ext/tk/lib/tk/itemconfig.rb: add __item_val2ruby_optkeys and
+	  __item_ruby2val_optkeys to help to convert option values between
 	    ruby and tcl.
 
-	* ext/tk/lib/tk/radiobutton.rb: use __ruby2val_optkeys for 'variable' 
+	* ext/tk/lib/tk/radiobutton.rb: use __ruby2val_optkeys for 'variable'
 	  option (for the reason of backward compatibility).
 
 	* ext/tk/lib/tk/composite.rb: clarify the arguments of super().
diff --git a/eval.c b/eval.c
index 4354765cb5..0ce62fd3b7 100644
--- a/eval.c
+++ b/eval.c
@@ -5731,6 +5731,7 @@ formal_assign(recv, node, argc, argv, local_vars)
     VALUE *local_vars;
 {
     int i;
+    int nopt = 0;
 
     if (nd_type(node) != NODE_ARGS) {
 	rb_bug("no argument-node");
@@ -5741,9 +5742,9 @@ formal_assign(recv, node, argc, argv, local_vars)
 	rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)", argc, i);
     }
     if (!node->nd_rest) {
-	int nopt = i;
 	NODE *optnode = node->nd_opt;
 
+	nopt = i;
 	while (optnode) {
 	    nopt++;
 	    optnode = optnode->nd_next;
@@ -5780,15 +5781,20 @@ formal_assign(recv, node, argc, argv, local_vars)
 	    rb_eval(recv, opt);
 	}
     }
-    if (node->nd_rest) {
+    if (!node->nd_rest) {
+	i = nopt;
+    }
+    else {
 	VALUE v;
 
-	if (argc > 0)
+	if (argc > 0) {
 	    v = rb_ary_new4(argc,argv);
-	else
+	    i = -i - 1;
+	}
+	else {
 	    v = rb_ary_new2(0);
+	}
 	assign(recv, node->nd_rest, v, 1);
-	if (argc > 0) return -i - 1;
     }
     return i;
 }