diff --git a/ChangeLog b/ChangeLog
index 851269e35e..3ad79e2891 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Nov 27 11:54:46 2007  Koichi Sasada  <ko1@atdot.net>
+
+	* insns.def: fix typo.
+
 Tue Nov 27 11:23:20 2007  Koichi Sasada  <ko1@atdot.net>
 
 	* test_beginendblock.rb: add loop to wait signal.
diff --git a/insns.def b/insns.def
index 7ffd56c369..4e7ba8b352 100644
--- a/insns.def
+++ b/insns.def
@@ -758,7 +758,7 @@ alias
     VALUE klass;
 
     if (v_p == Qtrue) {
-	rb_alias_variable(ID2SYM(sym1), SYM2ID(sym2));
+	rb_alias_variable(SYM2ID(sym1), SYM2ID(sym2));
     }
     else {
 	klass = get_cref(GET_ISEQ(), GET_LFP())->nd_clss;