diff --git a/install/airtime-upgrade.php b/install/airtime-upgrade.php
index a7fe6ff0a..705e94ddf 100644
--- a/install/airtime-upgrade.php
+++ b/install/airtime-upgrade.php
@@ -7,6 +7,8 @@
  */
 
 require_once(dirname(__FILE__).'/include/AirtimeIni.php');
+set_include_path(__DIR__.'/../library' . PATH_SEPARATOR . get_include_path());
+require_once __DIR__.'/../application/configs/conf.php';
 require_once(dirname(__FILE__).'/include/AirtimeInstall.php');
 
 AirtimeIni::ExitIfNotRoot();
diff --git a/install/include/AirtimeInstall.php b/install/include/AirtimeInstall.php
index 8bacffe85..cf8c22738 100644
--- a/install/include/AirtimeInstall.php
+++ b/install/include/AirtimeInstall.php
@@ -171,7 +171,7 @@ class AirtimeInstall {
         $sql = "DELETE FROM cc_pref WHERE keystr = 'system_version'";
         $CC_DBC->query($sql);
 
-        $sql = "INSERT INTO cc_pref (keystr, valstr) VALUES ('system_version', $p_version)";
+        $sql = "INSERT INTO cc_pref (keystr, valstr) VALUES ('system_version', '$p_version')";
         $result = $CC_DBC->query($sql);
         if (PEAR::isError($result)) {
             return false;