diff --git a/ChangeLog b/ChangeLog
index 032df99..e63cae3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu May  7 11:06:48 2009  Minero Aoki  <aamine@loveruby.net>
+
+	* net/loveruby/cflat/compiler/IRGenerator.java (BinaryOpNode):
+	  evaluate RIGHT before LEFT.
+
 Thu May  7 10:31:12 2009  Minero Aoki  <aamine@loveruby.net>
 
 	* net/loveruby/cflat/compiler/IRGenerator.java: fix compile error.
diff --git a/net/loveruby/cflat/compiler/IRGenerator.java b/net/loveruby/cflat/compiler/IRGenerator.java
index 68b7717..59c7a7c 100644
--- a/net/loveruby/cflat/compiler/IRGenerator.java
+++ b/net/loveruby/cflat/compiler/IRGenerator.java
@@ -567,8 +567,8 @@ class IRGenerator implements ASTVisitor<Void, Expr> {
 
     // #@@range/BinaryOp{
     public Expr visit(BinaryOpNode node) {
-        Expr left = transformExpr(node.left());
         Expr right = transformExpr(node.right());
+        Expr left = transformExpr(node.left());
         if (node.operator().equals("+") || node.operator().equals("-")) {
             if (node.left().type().isDereferable()) {
                 right = new Bin(ptrDiffType(), Op.MUL,