diff --git a/model/Database.php b/model/Database.php
index 9448de3d..a48b5560 100755
--- a/model/Database.php
+++ b/model/Database.php
@@ -1847,7 +1847,7 @@ protected function _buildInsertQuery($tableData)
 			$dataColumns = array_keys($tableData);
 			if ($isInsert) {
 					if (isset ($dataColumns[0]))
-							$this->_query .= ' (`' . implode($dataColumns, '`, `') . '`) ';
+							$this->_query .= ' (`' . implode('`, `', $dataColumns) . '`) ';
 					$this->_query .= ' VALUES (';
 			} else {
 					$this->_query .= " SET ";
@@ -2548,4 +2548,4 @@ public function dropTable($table) {
 	/* customf functions end */
 }
 
-// END class
\ No newline at end of file
+// END class