diff --git a/ChangeLog b/ChangeLog
index 1fd26c6..6cff0ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 01:45:49 2008  Minero Aoki  <aamine@loveruby.net>
+
+	* test/div.cb: test %esi usage.
+
 Sun Sep 21 18:14:31 2008  Minero Aoki  <aamine@loveruby.net>
 
 	* net/loveruby/cflat/ast/Function.java: refactoring: new method
diff --git a/test/div.cb b/test/div.cb
index e7f205d..90ccbfc 100644
--- a/test/div.cb
+++ b/test/div.cb
@@ -3,6 +3,14 @@ import stdio;
 int
 main(int argc, char **argv)
 {
-    printf("%d;%d;%d;%d\n", 1 / 1, 2 / 1, 4 / 2, 5 / 2);
+    int[4] a;
+
+    printf("%d;%d;%d;%d", 1 / 1, 2 / 1, 4 / 2, 5 / 2);
+
+    a[0] = 16;
+    a[0] /= 1 + 1 * 1 + 1 + 1;
+    printf(";%d", a[0]);
+
+    puts("");
     return 0;
 }
diff --git a/test/test_cbc.sh b/test/test_cbc.sh
index 3cf625a..929aada 100644
--- a/test/test_cbc.sh
+++ b/test/test_cbc.sh
@@ -67,7 +67,7 @@ test_07_arithmetic() {
     assert_out "1;2;3;4;5;6;7;8;9;10;11" ./add
     assert_out "1;2;3;4;5;6;7;8;9;10;11;12;13" ./sub
     assert_out "1;4;15" ./mul
-    assert_out "1;2;2;2" ./div
+    assert_out "1;2;2;2;4" ./div
     assert_out "0;0;1;4;7" ./mod
 
     assert_out "3" ./assoc