diff --git a/src/config.ts b/src/config.ts
index b774463be..3aeb1cc75 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -45,7 +45,7 @@ const isBigScreen = typeof window !== 'undefined' && window.innerHeight >= 900;
 
 export const MIN_PASSWORD_LENGTH = 1;
 
-export const MESSAGE_LIST_SENSITIVE_AREA = 750;
+export const MESSAGE_LIST_SENSITIVE_AREA = 500;
 export const MESSAGE_LIST_SLICE = isBigScreen ? 60 : 40;
 export const MESSAGE_LIST_VIEWPORT_LIMIT = MESSAGE_LIST_SLICE * 2;