diff --git a/Classes/Domain/Index/TcaIndexer/TcaTableService.php b/Classes/Domain/Index/TcaIndexer/TcaTableService.php
index 19f6a55d..9a3342c3 100644
--- a/Classes/Domain/Index/TcaIndexer/TcaTableService.php
+++ b/Classes/Domain/Index/TcaIndexer/TcaTableService.php
@@ -231,7 +231,6 @@ protected function isSystemField(string $columnName) : bool
             $this->tca['ctrl']['cruser_id'],
             $this->tca['ctrl']['fe_cruser_id'],
             $this->tca['ctrl']['fe_crgroup_id'],
-            $this->tca['ctrl']['languageField'],
             $this->tca['ctrl']['origUid'],
         ];
 
diff --git a/Documentation/source/changelog.rst b/Documentation/source/changelog.rst
index 3b121a3c..1e85523a 100644
--- a/Documentation/source/changelog.rst
+++ b/Documentation/source/changelog.rst
@@ -5,5 +5,6 @@ Changelog
    :maxdepth: 1
    :glob:
 
+   changelog/20180409-25-provide-sys-language-uid
    changelog/20180408-introduce-php70-type-hints
    changelog/20180406-120-facet-configuration