diff --git a/lib/documentmanagement/documentutil.inc.php b/lib/documentmanagement/documentutil.inc.php
index 24307b3..1a94f8d 100644
--- a/lib/documentmanagement/documentutil.inc.php
+++ b/lib/documentmanagement/documentutil.inc.php
@@ -1084,6 +1084,9 @@ $sourceDocument->getName(),
         if (!KTWorkflowUtil::actionEnabledForDocument($oDocument, 'ktcore.actions.document.move')) {
             return false;
         }
+        if ($oDocument->getImmutable()) {
+            return false;
+        }
         return true;
     }