diff --git a/Classes/Domain/Model/Date.php b/Classes/Domain/Model/Date.php
index 025ad45..84d596b 100644
--- a/Classes/Domain/Model/Date.php
+++ b/Classes/Domain/Model/Date.php
@@ -26,7 +26,7 @@ class Date extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity
     /**
      * @var int
      */
-    protected $languageUid;
+    protected $_languageUid;
 
     /**
      * @return \DateTime $start
@@ -84,14 +84,14 @@ class Date extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity
      * @return void
      */
     public function setLanguageUid($languageUid) {
-        $this->languageUid = $languageUid;
+        $this->_languageUid = $languageUid;
     }
 
     /**
      * @return int
      */
     public function getLanguageUid() {
-        return $this->languageUid;
+        return $this->_languageUid;
     }
 
 }
diff --git a/Classes/Domain/Model/Event.php b/Classes/Domain/Model/Event.php
index ce4091a..1e82129 100644
--- a/Classes/Domain/Model/Event.php
+++ b/Classes/Domain/Model/Event.php
@@ -201,7 +201,7 @@ class Event extends AbstractEntity
     /**
      * @var int
      */
-    protected $languageUid;
+    protected $_languageUid;
 
     /**
      * __construct
@@ -713,13 +713,13 @@ class Event extends AbstractEntity
      * @return void
      */
     public function setLanguageUid($languageUid) {
-        $this->languageUid = $languageUid;
+        $this->_languageUid = $languageUid;
     }
 
     /**
      * @return int
      */
     public function getLanguageUid() {
-        return $this->languageUid;
+        return $this->_languageUid;
     }
 }
diff --git a/Classes/Domain/Model/Organizer.php b/Classes/Domain/Model/Organizer.php
index 5d1848d..b0c73d0 100644
--- a/Classes/Domain/Model/Organizer.php
+++ b/Classes/Domain/Model/Organizer.php
@@ -77,7 +77,7 @@ class Organizer extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity
     /**
      * @var int
      */
-    protected $languageUid;
+    protected $_languageUid;
 
     /**
      * Returns the name
@@ -274,13 +274,13 @@ class Organizer extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity
      * @return void
      */
     public function setLanguageUid($languageUid) {
-        $this->languageUid = $languageUid;
+        $this->_languageUid = $languageUid;
     }
 
     /**
      * @return int
      */
     public function getLanguageUid() {
-        return $this->languageUid;
+        return $this->_languageUid;
     }
 }
diff --git a/Classes/Domain/Model/Region.php b/Classes/Domain/Model/Region.php
index 60b8e7e..8a2b74e 100644
--- a/Classes/Domain/Model/Region.php
+++ b/Classes/Domain/Model/Region.php
@@ -28,7 +28,7 @@ class Region extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity
     /**
      * @var int
      */
-    protected $languageUid;
+    protected $_languageUid;
 
     /**
      * Returns the title
@@ -78,13 +78,13 @@ class Region extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity
      * @return void
      */
     public function setLanguageUid($languageUid) {
-        $this->languageUid = $languageUid;
+        $this->_languageUid = $languageUid;
     }
 
     /**
      * @return int
      */
     public function getLanguageUid() {
-        return $this->languageUid;
+        return $this->_languageUid;
     }
 }