diff --git a/core/model/Database.php b/core/model/Database.php
index 9020f7669..7f09152a6 100755
--- a/core/model/Database.php
+++ b/core/model/Database.php
@@ -221,7 +221,9 @@ abstract class Database extends Object {
 		} else {
 			$this->checkAndRepairTable($table);
 		}
-			
+
+		$this->requireField($table, "ID", "int(11) not null auto_increment");
+
 		// Create custom fields
 		if($fieldSchema) {
 			foreach($fieldSchema as $fieldName => $fieldSpec) {
diff --git a/core/model/MySQLDatabase.php b/core/model/MySQLDatabase.php
index 3468d1a0b..2f3e4788c 100644
--- a/core/model/MySQLDatabase.php
+++ b/core/model/MySQLDatabase.php
@@ -176,11 +176,11 @@ class MySQLDatabase extends Database {
 	
 	public function createTable($tableName, $fields = null, $indexes = null) {
 		$fieldSchemas = $indexSchemas = "";
+		if(!isset($fields['ID'])) $fields['ID'] = "int(11) not null auto_increment";
 		if($fields) foreach($fields as $k => $v) $fieldSchemas .= "`$k` $v,\n";
 		if($indexes) foreach($indexes as $k => $v) $fieldSchemas .= $this->getIndexSqlDefinition($k, $v) . ",\n";
 		
 		$this->query("CREATE TABLE `$tableName` (
-				ID int(11) not null auto_increment,
 				$fieldSchemas
 				$indexSchemas
 				primary key (ID)