diff --git a/src/app/component/mapping/mapping.component.ts b/src/app/component/mapping/mapping.component.ts
index 25e930af..254859f5 100644
--- a/src/app/component/mapping/mapping.component.ts
+++ b/src/app/component/mapping/mapping.component.ts
@@ -49,7 +49,7 @@ export interface MappingElementSortedByISO17 {
     [key: string]: boolean;
   };
   teamsEvidence: {
-    [key: string]: string | undefined;
+    [key: string]: string;
   };
 }