diff --git a/Projects/CompExeUpdate.pas b/Projects/CompExeUpdate.pas
index 81056fd7f..55bc3cb4e 100644
--- a/Projects/CompExeUpdate.pas
+++ b/Projects/CompExeUpdate.pas
@@ -502,7 +502,7 @@ procedure UpdateIcons(const FileName, IcoFileName: String; const DeleteUninstall
 procedure RemoveManifestDllHijackProtection(const F: TCustomFile; const TestBlockOnly: Boolean);
 const
   BlockStartText: AnsiString = '<file name="';
-  BlockLength = 250;
+  BlockLength = 313;
 var
   S: AnsiString;
   Offset: Integer64;