diff --git a/app/services/serializer_service.rb b/app/services/serializer_service.rb
index 0a49f4f05..bd7442a28 100644
--- a/app/services/serializer_service.rb
+++ b/app/services/serializer_service.rb
@@ -1,12 +1,20 @@
 class SerializerService
   def self.dossier(dossier)
-    data = execute_query('serializeDossier', { number: dossier.id })
-    data && data['dossier']
+    Sentry.with_scope do |scope|
+      scope.set_tags(dossier_id: dossier.id)
+
+      data = execute_query('serializeDossier', { number: dossier.id })
+      data && data['dossier']
+    end
   end
 
   def self.dossiers(procedure)
-    data = execute_query('serializeDossiers', { number: procedure.id })
-    data && data['demarche']['dossiers']
+    Sentry.with_scope do |scope|
+      scope.set_tags(procedure_id: procedure.id)
+
+      data = execute_query('serializeDossiers', { number: procedure.id })
+      data && data['demarche']['dossiers']
+    end
   end
 
   def self.demarches_publiques(after: nil)
@@ -20,12 +28,16 @@ class SerializerService
   end
 
   def self.champ(champ)
-    if champ.private?
-      data = execute_query('serializeAnnotation', { number: champ.dossier_id, id: champ.to_typed_id })
-      data && data['dossier']['annotations'].first
-    else
-      data = execute_query('serializeChamp', { number: champ.dossier_id, id: champ.to_typed_id })
-      data && data['dossier']['champs'].first
+    Sentry.with_scope do |scope|
+      scope.set_tags(champ_id: champ.id)
+
+      if champ.private?
+        data = execute_query('serializeAnnotation', { number: champ.dossier_id, id: champ.to_typed_id })
+        data && data['dossier']['annotations'].first
+      else
+        data = execute_query('serializeChamp', { number: champ.dossier_id, id: champ.to_typed_id })
+        data && data['dossier']['champs'].first
+      end
     end
   end