diff --git a/ChangeLog b/ChangeLog
index bc0915c5b7..8f63be0488 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Oct  9 23:19:02 2008  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* process.c (rb_run_exec_options): fix resource leak.
+
 Thu Oct  9 22:13:58 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* test/ruby/test_module.rb (test_remove_class_variable): add a test
diff --git a/process.c b/process.c
index de3b1a5b17..e1e7cd10bf 100644
--- a/process.c
+++ b/process.c
@@ -2089,6 +2089,7 @@ rb_run_exec_options(const struct rb_exec_arg *e, struct rb_exec_arg *s)
             char *cwd = my_getcwd();
             rb_ary_store(soptions, EXEC_OPTION_CHDIR,
                          hide_obj(rb_str_new2(cwd)));
+            xfree(cwd);
         }
         if (chdir(RSTRING_PTR(obj)) == -1)
             return -1;