diff --git a/helpdesk/lib.py b/helpdesk/lib.py
index cd3881a5..7269e505 100644
--- a/helpdesk/lib.py
+++ b/helpdesk/lib.py
@@ -197,7 +197,8 @@ def apply_query(queryset, params):
             Q(ticketcustomfieldvalue__value__icontains=search)
         )
 
-        queryset = queryset.filter(qset)
+        # Distinct works, when there are multiple custom fields
+        queryset = queryset.filter(qset).distinct()
 
     sorting = params.get('sorting', None)
     if sorting: