diff --git a/ChangeLog b/ChangeLog
index e75cb5549f..1a00d98796 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Wed Oct 22 14:59:30 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* parse.y (f_larglist): should not allow semicolon separated local
+	  variable declarations if formal argument list is not surrounded
+	  by parentheses, mostly because semicolon outside of parentheses
+	  appears to terminate the expression.
+
 Wed Oct 22 14:52:17 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* string.c (rb_external_str_new_with_enc): no implicit strlen call.
diff --git a/parse.y b/parse.y
index 54e0c6ab8a..3f85c07b09 100644
--- a/parse.y
+++ b/parse.y
@@ -3453,7 +3453,7 @@ f_larglist	: '(' f_args opt_bv_decl rparen
 			$$ = dispatch1(paren, $2);
 		    %*/
 		    }
-		| f_args opt_bv_decl
+		| f_args
 		    {
 		    /*%%%*/
 			$$ = NEW_LAMBDA($1);