diff --git a/app/models/observer/ticket/escalation_calculation.rb b/app/models/observer/ticket/escalation_calculation.rb
index 5431d2b1f..a089c8fa2 100644
--- a/app/models/observer/ticket/escalation_calculation.rb
+++ b/app/models/observer/ticket/escalation_calculation.rb
@@ -37,6 +37,5 @@ class Observer::Ticket::EscalationCalculation < ActiveRecord::Observer
     record.callback_loop = true
     record.escalation_calculation
     record.callback_loop = false
-
   end
 end
diff --git a/app/models/observer/ticket/online_notification_seen.rb b/app/models/observer/ticket/online_notification_seen.rb
index 2872bba29..e3cfeebb3 100644
--- a/app/models/observer/ticket/online_notification_seen.rb
+++ b/app/models/observer/ticket/online_notification_seen.rb
@@ -22,6 +22,7 @@ class Observer::Ticket::OnlineNotificationSeen < ActiveRecord::Observer
     return true if !record.online_notification_seen_state
 
     # set all online notifications to seen
-    OnlineNotification.seen_by_object( 'Ticket', record.id )
+    # send background job
+    Delayed::Job.enqueue( Observer::Ticket::UserTicketCounter::BackgroundJob.new( record.id ) )
   end
 end
diff --git a/app/models/observer/ticket/online_notification_seen/background_job.rb b/app/models/observer/ticket/online_notification_seen/background_job.rb
new file mode 100644
index 000000000..33bddaff0
--- /dev/null
+++ b/app/models/observer/ticket/online_notification_seen/background_job.rb
@@ -0,0 +1,10 @@
+class Observer::Ticket::OnlineNotificationSeen::BackgroundJob
+  def initialize(id)
+    @ticket_id = id
+  end
+  def perform
+
+    # set all online notifications to seen
+    OnlineNotification.seen_by_object( 'Ticket', @ticket_id )
+  end
+end
diff --git a/app/models/observer/ticket/user_ticket_counter.rb b/app/models/observer/ticket/user_ticket_counter.rb
index 5dd0c1c09..7896d44ad 100644
--- a/app/models/observer/ticket/user_ticket_counter.rb
+++ b/app/models/observer/ticket/user_ticket_counter.rb
@@ -17,35 +17,8 @@ class Observer::Ticket::UserTicketCounter < ActiveRecord::Observer
 
     return if !record.customer_id
 
-    # open ticket count
-    state_open    = Ticket::State.by_category( 'open' )
-    tickets_open  = Ticket.where(
-      customer_id: record.customer_id,
-      state_id: state_open,
-    ).count()
-
-    # closed ticket count
-    state_closed    = Ticket::State.by_category( 'closed' )
-    tickets_closed  = Ticket.where(
-      customer_id: record.customer_id,
-      state_id: state_closed,
-    ).count()
-
-    # check if update is needed
-    customer = User.lookup( id: record.customer_id )
-    need_update = false
-    if customer[:preferences][:tickets_open] != tickets_open
-      need_update = true
-      customer[:preferences][:tickets_open]   = tickets_open
-    end
-    if customer[:preferences][:tickets_closed] != tickets_closed
-      need_update = true
-      customer[:preferences][:tickets_closed] = tickets_closed
-    end
-
-    return if !need_update
-
-    customer.save
+    # send background job
+    Delayed::Job.enqueue( Observer::Ticket::UserTicketCounter::BackgroundJob.new( record.customer_id ) )
   end
 
 end
diff --git a/app/models/observer/ticket/user_ticket_counter/background_job.rb b/app/models/observer/ticket/user_ticket_counter/background_job.rb
new file mode 100644
index 000000000..825f66751
--- /dev/null
+++ b/app/models/observer/ticket/user_ticket_counter/background_job.rb
@@ -0,0 +1,37 @@
+class Observer::Ticket::UserTicketCounter::BackgroundJob
+  def initialize(id)
+    @customer_id = id
+  end
+  def perform
+
+    # open ticket count
+    state_open    = Ticket::State.by_category( 'open' )
+    tickets_open  = Ticket.where(
+      customer_id: @customer_id,
+      state_id: state_open,
+    ).count()
+
+    # closed ticket count
+    state_closed    = Ticket::State.by_category( 'closed' )
+    tickets_closed  = Ticket.where(
+      customer_id: @customer_id,
+      state_id: state_closed,
+    ).count()
+
+    # check if update is needed
+    customer = User.lookup( id: @customer_id )
+    need_update = false
+    if customer[:preferences][:tickets_open] != tickets_open
+      need_update = true
+      customer[:preferences][:tickets_open]   = tickets_open
+    end
+    if customer[:preferences][:tickets_closed] != tickets_closed
+      need_update = true
+      customer[:preferences][:tickets_closed] = tickets_closed
+    end
+
+    return if !need_update
+
+    customer.save
+  end
+end