diff --git a/app/models/ticket.rb b/app/models/ticket.rb
index 4883e8764..e290978b2 100644
--- a/app/models/ticket.rb
+++ b/app/models/ticket.rb
@@ -424,14 +424,14 @@ get count of tickets and tickets which match on selector
     ActiveRecord::Base.transaction(requires_new: true) do
       begin
         if !current_user
-          ticket_count = Ticket.where(query, *bind_params).joins(tables).count
-          tickets = Ticket.where(query, *bind_params).joins(tables).limit(limit)
+          ticket_count = Ticket.where(query, *bind_params).joins(tables).group('tickets.id').count
+          tickets = Ticket.where(query, *bind_params).joins(tables).group('tickets.id').limit(limit)
           return [ticket_count, tickets]
         end
 
         access_condition = Ticket.access_condition(current_user, access)
-        ticket_count = Ticket.where(access_condition).where(query, *bind_params).joins(tables).count
-        tickets = Ticket.where(access_condition).where(query, *bind_params).joins(tables).limit(limit)
+        ticket_count = Ticket.where(access_condition).where(query, *bind_params).joins(tables).group('tickets.id').count
+        tickets = Ticket.where(access_condition).where(query, *bind_params).joins(tables).group('tickets.id').limit(limit)
 
         return [ticket_count, tickets]
       rescue ActiveRecord::StatementInvalid => e
diff --git a/app/models/ticket/overviews.rb b/app/models/ticket/overviews.rb
index 393490f19..354511361 100644
--- a/app/models/ticket/overviews.rb
+++ b/app/models/ticket/overviews.rb
@@ -113,10 +113,11 @@ returns
         end
       end
 
-      ticket_result = Ticket.select('id, updated_at')
+      ticket_result = Ticket.select('tickets.id, tickets.updated_at')
                             .where(access_condition)
                             .where(query_condition, *bind_condition)
                             .joins(tables)
+                            .group('tickets.id')
                             .order(order_by)
                             .limit(1000)
                             .pluck(:id, :updated_at)
@@ -129,7 +130,7 @@ returns
         }
         tickets.push ticket_item
       end
-      count = Ticket.where(access_condition).where(query_condition, *bind_condition).joins(tables).count()
+      count = Ticket.where(access_condition).where(query_condition, *bind_condition).joins(tables).group('tickets.id').count()
       item = {
         overview: {
           name: overview.name,