diff --git a/build/linux/start b/build/linux/start
index 4e28740ce2..65278fcc5b 100644
--- a/build/linux/start
+++ b/build/linux/start
@@ -30,9 +30,8 @@ mv etc/httpd.conf.80 etc/httpd.conf
 sed -e 's/3308/3306/g' etc/my.cnf > etc/my.cnf.3306
 mv etc/my.cnf.3306 etc/my.cnf
 
-sed -e 's/3308/3306/g' zentao/config/my.php |grep -v mysqldump > zentao/config/my.php.3306
+sed -e 's/3308/3306/g' zentao/config/my.php > zentao/config/my.php.3306
 mv zentao/config/my.php.3306 zentao/config/my.php
-echo '$config->mysqldump = "/opt/lampp/bin/mysqldump";' >> zentao/config/my.php
 
 # change directory permissions.
 chmod a+rx lampp
diff --git a/build/linux/start88 b/build/linux/start88
index 71e3ecb0bb..750d641376 100755
--- a/build/linux/start88
+++ b/build/linux/start88
@@ -30,9 +30,8 @@ mv etc/httpd.conf.88 etc/httpd.conf
 sed -e 's/3306/3308/g' etc/my.cnf > etc/my.cnf.3308
 mv etc/my.cnf.3308 etc/my.cnf
 
-sed -e 's/3306/3308/g' zentao/config/my.php |grep -v mysqldump > zentao/config/my.php.3308
+sed -e 's/3306/3308/g' zentao/config/my.php > zentao/config/my.php.3308
 mv zentao/config/my.php.3308 zentao/config/my.php
-echo '$config->mysqldump = "/opt/lampp/bin/mysqldump";' >> zentao/config/my.php
 
 # change directory permissions.
 chmod a+rx lampp
diff --git a/module/install/control.php b/module/install/control.php
index 40735c3cf4..51d5fae9be 100644
--- a/module/install/control.php
+++ b/module/install/control.php
@@ -93,11 +93,12 @@ class install extends control
             if($return->result == 'ok')
             {
                 $this->view = (object)$_POST;
-                $this->view->app    = $this->app;
-                $this->view->lang   = $this->lang;
-                $this->view->config = $this->config;
-                $this->view->domain = $this->server->HTTP_HOST;
-                $this->view->title  = $this->lang->install->saveConfig;
+                $this->view->app       = $this->app;
+                $this->view->lang      = $this->lang;
+                $this->view->config    = $this->config;
+                $this->view->domain    = $this->server->HTTP_HOST;
+                $this->view->title     = $this->lang->install->saveConfig;
+                $this->view->mysqldump = $this->install->getMySQLDump();
                 $this->display();
             }
             else
diff --git a/module/install/model.php b/module/install/model.php
index 4a5e486db4..395e75b057 100644
--- a/module/install/model.php
+++ b/module/install/model.php
@@ -448,4 +448,19 @@ class installModel extends model
         return true;
     }
 
+    /**
+     * get the mysqldump binary.
+     * 
+     * @access public
+     * @return string
+     */
+    public function getMySQLDump()
+    {
+        $mysqlDump = '';
+        if(strpos(__FILE__, '/opt/lampp') !== false)
+        {
+            $mysqlDump = '/opt/lampp/bin/mysqldump';
+        }
+        if(file_exists($mysqlDump)) return $mysqlDump;
+    }
 }
diff --git a/module/install/view/step3.html.php b/module/install/view/step3.html.php
index ea2424e2c1..372892d62f 100644
--- a/module/install/view/step3.html.php
+++ b/module/install/view/step3.html.php
@@ -27,7 +27,7 @@ if(!isset($error))
 \$config->webRoot         = getWebRoot();
 \$config->default->domain = '$domain';
 \$config->default->lang   = '$defaultLang';
-\$config->mysqldump       = '';
+\$config->mysqldump       = '$mysqldump';
 EOT;
 }
 ?>