diff --git a/frontend/src/modules/touristicEvent/api.ts b/frontend/src/modules/touristicEvent/api.ts
index 6445c9882..b9a5a0ea1 100644
--- a/frontend/src/modules/touristicEvent/api.ts
+++ b/frontend/src/modules/touristicEvent/api.ts
@@ -5,8 +5,20 @@ import { APIQuery, APIResponseForList } from 'services/api/interface';
 import { RawTouristicEvent, RawTouristicEventDetails } from './interface';
 
 const fieldsParams = {
-  fields:
-    'id,attachments,name,geometry,themes,cities,type,begin_date,end_date,approved,start_time,end_time',
+  fields: [
+    'id',
+    'attachments',
+    'name',
+    'geometry',
+    'themes',
+    'cities',
+    'type',
+    'begin_date',
+    'end_date',
+    'approved',
+    'start_time',
+    'end_time',
+  ].join(','),
 };
 
 export const fetchTouristicEvents = (
@@ -22,7 +34,25 @@ export const fetchTouristicEvents = (
 };
 
 const fieldsParamsDetails = {
-  fields: `${fieldsParams.fields},description,description_teaser,participant_number,pdf,meeting_point,duration,source,contact,email,website,accessibility,organizer,speaker,target_audience,practical_info,booking`,
+  fields: [
+    fieldsParams.fields,
+    'description',
+    'description_teaser',
+    'participant_number',
+    'pdf',
+    'meeting_point',
+    'duration',
+    'source',
+    'contact',
+    'email',
+    'website',
+    'accessibility',
+    'organizer',
+    'speaker',
+    'target_audience',
+    'practical_info',
+    'booking',
+  ].join(','),
   format: 'geojson',
 };