diff --git a/system/functions.php b/system/functions.php
index 845e4cdc..fee72b27 100644
--- a/system/functions.php
+++ b/system/functions.php
@@ -968,7 +968,7 @@ function load_config_lua($filename)
 						foreach($result as $tmp_key => $tmp_value) // load values definied by other keys, like: dailyFragsToBlackSkull = dailyFragsToRedSkull
 							$value = str_replace($tmp_key, $tmp_value, $value);
 						$ret = @eval("return $value;");
-						if((string) $ret == '') // = parser error
+						if((string) $ret == '' && trim($value) !== '""') // = parser error
 						{
 							throw new RuntimeException('ERROR: Loading config.lua file. Line <b>' . ($ln + 1) . '</b> of LUA config file is not valid [key: <b>' . $key . '</b>]');
 						}