--- a/include/Config.class.php
+++ b/include/Config.class.php
@@ -78,11 +78,11 @@
 		global $gitphp_version, $gitphp_appstring;
 
 		if (!is_file($configFile)) {
-			throw new Exception('Could not load config file ' . $configFile);
+			throw new GitPHP_MessageException('Could not load config file ' . $configFile, true, 500);
 		}
 
 		if (!include($configFile)) {
-			throw new Exception('Could not read config file ' . $configFile);
+			throw new GitPHP_MessageException('Could not read config file ' . $configFile, true, 500);
 		}
 
 		if (isset($gitphp_conf) && is_array($gitphp_conf))

--- a/include/controller/Controller_Message.class.php
+++ b/include/controller/Controller_Message.class.php
@@ -137,6 +137,8 @@
 	private function StatusCodeHeader($code)
 	{
 		switch ($code) {
+			case 500:
+				return '500 Internal Server Error';
 		}
 	}
 

--- a/index.php
+++ b/index.php
@@ -110,7 +110,7 @@
 	}
 
 	if (!GitPHP_Config::GetInstance()->GetValue('projectroot', null)) {
-		throw new GitPHP_MessageException(__('A projectroot must be set in the config'), true);
+		throw new GitPHP_MessageException(__('A projectroot must be set in the config'), true, 500);
 	}
 
 	/*