diff --git a/yara/gen_Excel4Macro_Sharpshooter.yar b/yara/gen_Excel4Macro_Sharpshooter.yar
index 547fc01..9f1ae09 100644
--- a/yara/gen_Excel4Macro_Sharpshooter.yar
+++ b/yara/gen_Excel4Macro_Sharpshooter.yar
@@ -60,7 +60,7 @@ rule SUSP_Excel4Macro_AutoOpen
 
 
     condition:
-        filesize < 400KB
+        filesize < 3000KB
         and $header_docf at 0
         and $s1
         and any of ($Auto_*)