diff --git a/web/src/components/Wrapper/mount-engine.ts b/web/src/components/Wrapper/mount-engine.ts
index 1e73f6d21..ec84f4708 100644
--- a/web/src/components/Wrapper/mount-engine.ts
+++ b/web/src/components/Wrapper/mount-engine.ts
@@ -174,7 +174,8 @@ export async function mountUnifiedApp() {
         'top-right': 'top-right',
         'bottom-left': 'bottom-left',
         'bottom-right': 'bottom-right',
-        center: 'top-center',
+        'bottom-center': 'bottom-center',
+        'top-center': 'top-center',
       };
       toasterPosition = map[legacyPosition] || toasterPosition;
     }