diff --git a/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php b/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php
index 55b7f41f8..66f5e163b 100644
--- a/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php
@@ -1580,4 +1580,16 @@ abstract class AbstractPlatform
     {
         return $schemaElementName;
     }
+
+    /**
+     * Get the insert sql for an empty insert statement
+     *
+     * @param string $tableName 
+     * @param string $identifierColumnName 
+     * @return string $sql
+     */
+    public function getEmptyIdentityInsertSql($tableName, $identifierColumnName)
+    {
+        return 'INSERT INTO ' . $tableName . ' (' . $identifierColumnName . ') VALUES (null)';
+    }
 }
\ No newline at end of file
diff --git a/lib/Doctrine/DBAL/Platforms/MsSqlPlatform.php b/lib/Doctrine/DBAL/Platforms/MsSqlPlatform.php
index dcf23bf1e..a675ff5d4 100644
--- a/lib/Doctrine/DBAL/Platforms/MsSqlPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/MsSqlPlatform.php
@@ -506,4 +506,16 @@ class MsSqlPlatform extends AbstractPlatform
 
         return $query;
     }
+
+    /**
+     * Get the insert sql for an empty insert statement
+     *
+     * @param string $tableName 
+     * @param string $identifierColumnName 
+     * @return string $sql
+     */
+    public function getEmptyIdentityInsertSql($quotedTableName, $quotedIdentifierColumnName)
+    {
+        return 'INSERT INTO ' . $quotedTableName . ' DEFAULT VALUES';
+    }
 }
\ No newline at end of file
diff --git a/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php b/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
index 5becb6934..0515e7d3c 100644
--- a/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
@@ -770,4 +770,16 @@ class PostgreSqlPlatform extends AbstractPlatform
     {
         return 'Y-m-d H:i:sO';
     }
+
+    /**
+     * Get the insert sql for an empty insert statement
+     *
+     * @param string $tableName 
+     * @param string $identifierColumnName 
+     * @return string $sql
+     */
+    public function getEmptyIdentityInsertSql($quotedTableName, $quotedIdentifierColumnName)
+    {
+        return 'INSERT INTO ' . $quotedTableName . ' (' . $quotedIdentifierColumnName . ') VALUES (DEFAULT)';
+    }
 }
\ No newline at end of file
diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php b/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
index e620569a7..98b7ae1f2 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
@@ -369,10 +369,17 @@ class ClassMetadataFactory
             $class->resultColumnNames[$this->_targetPlatform->getSqlResultCasing($columnName)] = $columnName;
         }
 
-        $class->insertSql = 'INSERT INTO ' .
-                $class->getQuotedTableName($this->_targetPlatform)
-               . ' (' . implode(', ', $columns) . ') '
-               . 'VALUES (' . implode(', ', $values) . ')';
+        if (empty($columns)) {
+            $class->insertSql = $this->_targetPlatform->getEmptyIdentityInsertSql(
+                $class->getQuotedTableName($this->_targetPlatform),
+                $class->getQuotedColumnName($class->identifier[0], $this->_targetPlatform)
+            );
+        } else {
+            $class->insertSql = 'INSERT INTO ' .
+                 $class->getQuotedTableName($this->_targetPlatform)
+                . ' (' . implode(', ', $columns) . ') '
+                . 'VALUES (' . implode(', ', $values) . ')';
+        }
     }
 
     /**
diff --git a/lib/Doctrine/ORM/Persisters/StandardEntityPersister.php b/lib/Doctrine/ORM/Persisters/StandardEntityPersister.php
index 824316c52..a5489919e 100644
--- a/lib/Doctrine/ORM/Persisters/StandardEntityPersister.php
+++ b/lib/Doctrine/ORM/Persisters/StandardEntityPersister.php
@@ -139,17 +139,19 @@ class StandardEntityPersister
             $insertData = array();
             $this->_prepareData($entity, $insertData, true);
 
-            $paramIndex = 1;
-            if ($sqlLogger) {
-                $params = array();
-                foreach ($insertData[$primaryTableName] as $value) {
-                    $params[$paramIndex] = $value;
-                    $stmt->bindValue($paramIndex++, $value);
-                }
-                $sqlLogger->logSql($this->_class->insertSql, $params);
-            } else {
-                foreach ($insertData[$primaryTableName] as $value) {
-                    $stmt->bindValue($paramIndex++, $value);
+            if (isset($insertData[$primaryTableName])) {
+                $paramIndex = 1;
+                if ($sqlLogger) {
+                    $params = array();
+                    foreach ($insertData[$primaryTableName] as $value) {
+                        $params[$paramIndex] = $value;
+                        $stmt->bindValue($paramIndex++, $value);
+                    }
+                    $sqlLogger->logSql($this->_class->insertSql, $params);
+                } else {
+                    foreach ($insertData[$primaryTableName] as $value) {
+                        $stmt->bindValue($paramIndex++, $value);
+                    }
                 }
             }
 
diff --git a/tests/Doctrine/Tests/ORM/Functional/AllTests.php b/tests/Doctrine/Tests/ORM/Functional/AllTests.php
index 7adcf7bc1..ea10b6b99 100644
--- a/tests/Doctrine/Tests/ORM/Functional/AllTests.php
+++ b/tests/Doctrine/Tests/ORM/Functional/AllTests.php
@@ -43,6 +43,7 @@ class AllTests
         
         $suite->addTest(Locking\AllTests::suite());
         $suite->addTest(SchemaTool\AllTests::suite());
+        $suite->addTest(Ticket\AllTests::suite());
 
         return $suite;
     }
diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/AllTests.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/AllTests.php
new file mode 100644
index 000000000..7998e89c7
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/AllTests.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+if (!defined('PHPUnit_MAIN_METHOD')) {
+    define('PHPUnit_MAIN_METHOD', 'Orm_Functional_Ticket_AllTests::main');
+}
+
+require_once __DIR__ . '/../../../TestInit.php';
+
+class AllTests
+{
+    public static function main()
+    {
+        \PHPUnit_TextUI_TestRunner::run(self::suite());
+    }
+
+    public static function suite()
+    {
+        $suite = new \Doctrine\Tests\OrmFunctionalTestSuite('Doctrine Orm Ticket Tests');
+
+        $tests = glob(__DIR__ . '/Ticket*Test.php');
+        foreach ($tests as $test) {
+            $info = pathinfo($test);
+            $suite->addTestSuite('Doctrine\Tests\ORM\Functional\Ticket\\' . $info['filename']);
+        }
+
+        return $suite;
+    }
+}
+
+if (PHPUnit_MAIN_METHOD == 'Orm_Functional_Ticket_AllTests::main') {
+    AllTests::main();
+}
diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/Ticket2481Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/Ticket2481Test.php
new file mode 100644
index 000000000..e18310244
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/Ticket2481Test.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+require_once __DIR__ . '/../../../TestInit.php';
+
+class Ticket2481Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    protected function setUp()
+    {
+        parent::setUp();
+
+        try {
+            $this->_schemaTool->createSchema(array(
+                $this->_em->getClassMetadata('Doctrine\Tests\ORM\Functional\Ticket\Ticket2481Product')
+            ));
+        } catch (\Exception $e) {
+            // Swallow all exceptions. We do not test the schema tool here.
+        }
+        $this->_conn = $this->_em->getConnection();
+    }
+
+    public function testEmptyInsert()
+    {
+        $test = new Ticket2481Product();
+        $this->_em->persist($test);
+        $this->_em->flush();
+
+        $this->assertTrue($test->id > 0);
+    }
+}
+
+/**
+ * @Entity
+ * @Table(name="ticket_2481_products")
+ */
+class Ticket2481Product
+{
+  /**
+   * @Id @Column(type="integer")
+   * @GeneratedValue(strategy="AUTO")
+   */
+  public $id;
+}
\ No newline at end of file