diff --git a/resources/lang/cs/common.php b/resources/lang/cs/common.php
index cad26410c..52d596838 100644
--- a/resources/lang/cs/common.php
+++ b/resources/lang/cs/common.php
@@ -38,6 +38,7 @@ return [
     'reset' => 'Reset',
     'remove' => 'Odstranit',
     'add' => 'Přidat',
+    'fullscreen' => 'Fullscreen',
 
     // Sort Options
     'sort_options' => 'Sort Options',