diff --git a/lib/Doctrine/ORM/Tools/Export/Driver/PhpExporter.php b/lib/Doctrine/ORM/Tools/Export/Driver/PhpExporter.php
index d66171266..21b7035d9 100644
--- a/lib/Doctrine/ORM/Tools/Export/Driver/PhpExporter.php
+++ b/lib/Doctrine/ORM/Tools/Export/Driver/PhpExporter.php
@@ -92,7 +92,7 @@ class PhpExporter extends AbstractExporter
             $lines[] = '$metadata->mapField(' . $this->_varExport($fieldMapping) . ');';
         }
 
-        if ($generatorType = $this->_getIdGeneratorTypeString($metadata->generatorType)) {
+        if ( ! $metadata->isIdentifierComposite && $generatorType = $this->_getIdGeneratorTypeString($metadata->generatorType)) {
             $lines[] = '$metadata->setIdGeneratorType(ClassMetadataInfo::GENERATOR_TYPE_' . $generatorType . ');';
         }
 
diff --git a/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php b/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
index 176c5e1e6..2ecd37a7b 100644
--- a/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
+++ b/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
@@ -130,7 +130,7 @@ class XmlExporter extends AbstractExporter
             }
         }
 
-        if ($idGeneratorType = $this->_getIdGeneratorTypeString($metadata->generatorType)) {
+        if ( ! $metadata->isIdentifierComposite && $idGeneratorType = $this->_getIdGeneratorTypeString($metadata->generatorType)) {
             $id[$metadata->getSingleIdentifierFieldName()]['generator']['strategy'] = $idGeneratorType;
         }
 
diff --git a/lib/Doctrine/ORM/Tools/Export/Driver/YamlExporter.php b/lib/Doctrine/ORM/Tools/Export/Driver/YamlExporter.php
index ed5c102aa..c9680c10a 100644
--- a/lib/Doctrine/ORM/Tools/Export/Driver/YamlExporter.php
+++ b/lib/Doctrine/ORM/Tools/Export/Driver/YamlExporter.php
@@ -114,7 +114,7 @@ class YamlExporter extends AbstractExporter
             $fieldMappings[$name] = $fieldMapping;
         }
 
-        if ($idGeneratorType = $this->_getIdGeneratorTypeString($metadata->generatorType)) {
+        if ( ! $metadata->isIdentifierComposite && $idGeneratorType = $this->_getIdGeneratorTypeString($metadata->generatorType)) {
             $ids[$metadata->getSingleIdentifierFieldName()]['generator']['strategy'] = $idGeneratorType;
         }