diff --git a/platform/app/public/config/dev.js b/platform/app/public/config/dev.js
index ca768361e..7c10a9b42 100644
--- a/platform/app/public/config/dev.js
+++ b/platform/app/public/config/dev.js
@@ -30,7 +30,7 @@ window.config = {
 
   showStudyList: true,
 
-  maxNumberOfWebWorkers: 3,
+  maxNumberOfWebWorkers: 1,
 
   showWarningMessageForCrossOrigin: true,
 
diff --git a/platform/app/src/routes/TrizRisProtectedRoute.tsx b/platform/app/src/routes/TrizRisProtectedRoute.tsx
index e0a2c6393..14b8360b4 100644
--- a/platform/app/src/routes/TrizRisProtectedRoute.tsx
+++ b/platform/app/src/routes/TrizRisProtectedRoute.tsx
@@ -24,7 +24,7 @@ export default function TrizRisProtectedRoute({ children }: Props) {
 
         console.log('### VERIFICATION ACCES TRIZRIS ###', result);
 
-        setAuthorized(result);
+        setAuthorized(result !== null && result.authorized === true);
       } catch (error) {
         console.error('### ERREUR VERIFICATION ACCES TRIZRIS ###', error);
 
@@ -45,8 +45,7 @@ export default function TrizRisProtectedRoute({ children }: Props) {
     };
   }, []);
 
-  // Pendant la vérification :
-  // on n'affiche PAS encore le viewer.
+  // Vérification en cours
   if (checking) {
     return (
       <div
@@ -59,6 +58,7 @@ export default function TrizRisProtectedRoute({ children }: Props) {
     );
   }
 
+  // Accès refusé
   if (!authorized) {
     return (
       <Navigate
@@ -68,5 +68,6 @@ export default function TrizRisProtectedRoute({ children }: Props) {
     );
   }
 
+  // Accès autorisé : afficher OHIF
   return <>{children}</>;
 }
diff --git a/platform/core/src/config/TrizRisConfig.ts b/platform/core/src/config/TrizRisConfig.ts
index e52c1b8cb..6982d3473 100644
--- a/platform/core/src/config/TrizRisConfig.ts
+++ b/platform/core/src/config/TrizRisConfig.ts
@@ -1,4 +1,4 @@
-const sharedConfig = require('../../config/trizris.shared');
+import sharedConfig from '../../../app/config/trizris.shared';
 
 export const TrizRisConfig = {
   apiBaseUrl: `${sharedConfig.TRIZRIS_BASE_URL}/api`,