diff --git a/common/framework/parsers/dbquery/variablebase.php b/common/framework/parsers/dbquery/variablebase.php
index a46ae408b..438a29d25 100644
--- a/common/framework/parsers/dbquery/variablebase.php
+++ b/common/framework/parsers/dbquery/variablebase.php
@@ -460,9 +460,9 @@ class VariableBase
 			if (substr($item, 0, 1) === '(' && substr($item, -1) === ')')
 			{
 				$item = trim(substr($item, 1, -1));
-				if ( $item !== "" )
+				if ($item !== '')
 				{
-					$parsed_keywords = $this->_parseSearchKeywords($column, substr($item, 1, -1));
+					$parsed_keywords = $this->_parseSearchKeywords($column, $item);
 					$conditions[] = $parsed_keywords[0];
 					$conditions[] = 'AND';
 					$params = array_merge($params, $parsed_keywords[1]);