diff --git a/lib/Doctrine/ORM/Tools/EntityGenerator.php b/lib/Doctrine/ORM/Tools/EntityGenerator.php
index 0792ceb91..e8ae73aee 100644
--- a/lib/Doctrine/ORM/Tools/EntityGenerator.php
+++ b/lib/Doctrine/ORM/Tools/EntityGenerator.php
@@ -117,7 +117,7 @@ public function <methodName>()
  * @param <variableType>$<variableName>
  * @return <entity>
  */
-public function <methodName>(<methodTypeHint>$<variableName>)
+public function <methodName>(<methodTypeHint>$<variableName><variableDefault>)
 {
 <spaces>$this-><fieldName> = $<variableName>;
 <spaces>return $this;
@@ -634,7 +634,7 @@ public function <methodName>()
 
         foreach ($metadata->associationMappings as $associationMapping) {
             if ($associationMapping['type'] & ClassMetadataInfo::TO_ONE) {
-                if ($code = $this->_generateEntityStubMethod($metadata, 'set', $associationMapping['fieldName'], $associationMapping['targetEntity'])) {
+                if ($code = $this->_generateEntityStubMethod($metadata, 'set', $associationMapping['fieldName'], $associationMapping['targetEntity'], 'null')) {
                     $methods[] = $code;
                 }
                 if ($code = $this->_generateEntityStubMethod($metadata, 'get', $associationMapping['fieldName'], $associationMapping['targetEntity'])) {
@@ -707,7 +707,7 @@ public function <methodName>()
         return implode("\n", $lines);
     }
 
-    private function _generateEntityStubMethod(ClassMetadataInfo $metadata, $type, $fieldName, $typeHint = null)
+    private function _generateEntityStubMethod(ClassMetadataInfo $metadata, $type, $fieldName, $typeHint = null,  $defaultValue = null)
     {
         if ($type == "add") {
             $addMethod = explode("\\", $typeHint);
@@ -737,6 +737,7 @@ public function <methodName>()
           '<variableName>'      => Inflector::camelize($fieldName),
           '<methodName>'        => $methodName,
           '<fieldName>'         => $fieldName,
+		  '<variableDefault>'   => ($defaultValue!==null?('='.$defaultValue):''),
           '<entity>'            => $this->_getClassName($metadata)
         );