diff --git a/program/localization/nl_NL/labels.inc b/program/localization/nl_NL/labels.inc
index a01afab62..f78293c49 100644
--- a/program/localization/nl_NL/labels.inc
+++ b/program/localization/nl_NL/labels.inc
@@ -212,6 +212,7 @@ $labels['signature'] = 'Onderschrift';
 $labels['dstactive']  = 'Zomertijd';
 $labels['htmleditor'] = 'Maak HTML berichten aan';
 $labels['htmlsignature'] = 'HTML onderschrift';
+$labels['previewpane'] = 'Toon voorbeeldvenster';
 
 $labels['autosavedraft']  = 'Concept automatisch opslaan';
 $labels['everynminutes']  = 'iedere $n minuten';
diff --git a/program/localization/nl_NL/messages.inc b/program/localization/nl_NL/messages.inc
index 3df21d2dd..f77bab122 100644
--- a/program/localization/nl_NL/messages.inc
+++ b/program/localization/nl_NL/messages.inc
@@ -108,7 +108,11 @@ $messages['nospellerrors'] = 'Geen spelfouten gevonden';
 
 $messages['folderdeleted'] = 'Map successvol verwijderd';
 
+$messages['deletedsuccessfully'] = 'Successvol verwijderd';
+
 $messages['converting'] = 'Opmaak van bericht verwijderen...';
 
+$messages['messageopenerror'] = 'Kan het bericht niet van de server laden';
+
 
 ?>