diff --git a/src/auto-reply/reply/directive-handling.ts b/src/auto-reply/reply/directive-handling.ts
index 317f59a4d..576f4d144 100644
--- a/src/auto-reply/reply/directive-handling.ts
+++ b/src/auto-reply/reply/directive-handling.ts
@@ -46,8 +46,8 @@ const SYSTEM_MARK = "⚙️";
 const maskApiKey = (value: string): string => {
   const trimmed = value.trim();
   if (!trimmed) return "missing";
-  if (trimmed.length <= 12) return trimmed;
-  return `${trimmed.slice(0, 6)}...${trimmed.slice(-6)}`;
+  if (trimmed.length <= 16) return trimmed;
+  return `${trimmed.slice(0, 8)}...${trimmed.slice(-8)}`;
 };
 
 const resolveAuthLabel = async (