diff --git a/CHANGELOG.md b/CHANGELOG.md
index d820ef415..e078601be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 - Fix a bug: unable to show machine availability slot for admin
 - Fix a bug: unable to confirm modification of reservation for client
+- Fix a bug: unable to show deleted user in reservation slot
 
 ## v5.3.9 2022 April 01
 
diff --git a/app/services/availabilities/status_service.rb b/app/services/availabilities/status_service.rb
index 5735466ab..c48ac6d58 100644
--- a/app/services/availabilities/status_service.rb
+++ b/app/services/availabilities/status_service.rb
@@ -18,7 +18,8 @@ class Availabilities::StatusService
 
         slot.id = s.id
         slot.is_reserved = true
-        slot.title = "#{slot.machine.name} - #{@show_name ? r.user&.profile&.full_name : I18n.t('availabilities.not_available')}"
+        user_name = r.user ? r.user&.profile&.full_name : I18n.t('availabilities.deleted_user');
+        slot.title = "#{slot.machine.name} - #{@show_name ? user_name : I18n.t('availabilities.deleted_user')}"
         slot.can_modify = true if %w[admin manager].include?(@current_user_role)
         slot.reservations.push r
 
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 47c7bf63f..d082224cc 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -53,6 +53,7 @@ de:
     i_ve_reserved: "Ich reservierte"
     length_must_be_slot_multiple: "muss mindestens %{MIN} Minuten nach dem Startdatum liegen"
     must_be_associated_with_at_least_1_machine: "muss mindestens einer Maschine zugeordnet sein"
+    deleted_user: "Deleted user"
   #members management
   members:
     unable_to_change_the_group_while_a_subscription_is_running: "Die Gruppe kann während eines Abonnements nicht geändert werden"
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 4ad225bab..be7505591 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -53,6 +53,7 @@ en:
     i_ve_reserved: "I've reserved"
     length_must_be_slot_multiple: "must be at least %{MIN} minutes after the start date"
     must_be_associated_with_at_least_1_machine: "must be associated with at least 1 machine"
+    deleted_user: "Deleted user"
   #members management
   members:
     unable_to_change_the_group_while_a_subscription_is_running: "Unable to change the group while a subscription is running"
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 4df65c2b5..27bd12a91 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -53,6 +53,7 @@ es:
     i_ve_reserved: "He reservado"
     length_must_be_slot_multiple: "Debe ser al menos %{MIN} minutos después de la fecha de inicio"
     must_be_associated_with_at_least_1_machine: "debe estar asociado con al menos 1 máquina"
+    deleted_user: "Deleted user"
   #members management
   members:
     unable_to_change_the_group_while_a_subscription_is_running: "No se puede cambiar de grupo mientras haya una suscripción en curso"
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 18392c278..3c01a72b6 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -53,6 +53,7 @@ fr:
     i_ve_reserved: "J'ai réservé"
     length_must_be_slot_multiple: "doit être au moins %{MIN} minutes après la date de début"
     must_be_associated_with_at_least_1_machine: "doit être associé avec au moins 1 machine"
+    deleted_user: "Utilisateur supprimé"
   #members management
   members:
     unable_to_change_the_group_while_a_subscription_is_running: "Impossible de changer le groupe tant qu'un abonnement est en cours"
diff --git a/config/locales/no.yml b/config/locales/no.yml
index 404366f3f..0e2e2a515 100644
--- a/config/locales/no.yml
+++ b/config/locales/no.yml
@@ -53,6 +53,7 @@
     i_ve_reserved: "Jeg har reservert"
     length_must_be_slot_multiple: "må være minst %{MIN} minutter etter startdatoen"
     must_be_associated_with_at_least_1_machine: "må være tilknyttet minst 1 maskin"
+    deleted_user: "Deleted user"
   #members management
   members:
     unable_to_change_the_group_while_a_subscription_is_running: "Kan ikke endre gruppen mens et abonnement kjører"
diff --git a/config/locales/pt.yml b/config/locales/pt.yml
index b0300eb88..be8fc3acc 100755
--- a/config/locales/pt.yml
+++ b/config/locales/pt.yml
@@ -53,6 +53,7 @@ pt:
     i_ve_reserved: "Eu reservei"
     length_must_be_slot_multiple: "deve ser pelo menos %{MIN} minutos após a data de início"
     must_be_associated_with_at_least_1_machine: "deve estar associada a pelo menos uma máquina"
+    deleted_user: "Deleted user"
   #members management
   members:
     unable_to_change_the_group_while_a_subscription_is_running: "Não é possível alterar o grupo enquanto uma assinatura está sendo executada"
diff --git a/config/locales/zu.yml b/config/locales/zu.yml
index d798bef18..e4a426e88 100644
--- a/config/locales/zu.yml
+++ b/config/locales/zu.yml
@@ -53,6 +53,7 @@ zu:
     i_ve_reserved: "crwdns3269:0crwdne3269:0"
     length_must_be_slot_multiple: "crwdns3271:0%{MIN}crwdne3271:0"
     must_be_associated_with_at_least_1_machine: "crwdns3273:0crwdne3273:0"
+    deleted_user: "Deleted user"
   #members management
   members:
     unable_to_change_the_group_while_a_subscription_is_running: "crwdns3275:0crwdne3275:0"