diff --git a/app/src/app/app.config.ts b/app/src/app/app.config.ts
index 0fd3c2834..809ac03a8 100644
--- a/app/src/app/app.config.ts
+++ b/app/src/app/app.config.ts
@@ -92,7 +92,8 @@ export const AppConfig: ApplicationConfig = {
     {
       provide: MAT_SNACK_BAR_DEFAULT_OPTIONS,
       useValue: {
-        duration: 10000
+        duration: 10000,
+        politeness: 'polite'
       }
     }
   ]