diff --git a/config/alfresco/workflow/workflow-messages_nl.properties b/config/alfresco/workflow/workflow-messages_nl.properties
index 1581de2dee..ba5d5037f4 100755
--- a/config/alfresco/workflow/workflow-messages_nl.properties
+++ b/config/alfresco/workflow/workflow-messages_nl.properties
@@ -229,3 +229,4 @@ listconstraint.wf_reviewOutcomeOptions.Reject=Afwijzen
 workflowtask.outcome.Approve=Goedgekeurd
 workflowtask.outcome.Reject=Afgewezen
 
+workflowtask.already.done.error=Deze taak is al voltooid en kan niet langer worden bewerkt.
\ No newline at end of file