diff --git a/lib/class.ISPConfigDatabase.inc.php b/lib/class.ISPConfigDatabase.inc.php
index 7cd181b1b7d842cda85162a593891aca8953ff4d..2d56bcb128a3386a3944b5d3d876b81084fefd10 100644
--- a/lib/class.ISPConfigDatabase.inc.php
+++ b/lib/class.ISPConfigDatabase.inc.php
@@ -390,7 +390,7 @@ class ISPConfigDatabase {
 	public function query($sQuery = '') {
 		$bUseRead = true;
 		if($this->_bSeparate == true) {
-			if(substr(strtolower($sQuery, 0, 7)) == 'select ') {
+			if(substr(strtolower($sQuery), 0, 7) == 'select ') {
 				$bUseRead = true;
 			} else {
 				$bUseRead = false;