diff -ur a/Source/build.cpp b/Source/build.cpp
--- a/Source/build.cpp	2023-07-28 01:18:23.532000000 +0800
+++ b/Source/build.cpp	2024-05-24 23:21:19.826249400 +0800
@@ -4170,7 +4170,7 @@
 
 CEXEBuild::postbuild_cmd* CEXEBuild::postbuild_cmd::make(const TCHAR *cmdstr, int cmpop, int cmpval)
 {
-  postbuild_cmd *p = (postbuild_cmd*) (new BYTE[FIELD_OFFSET(postbuild_cmd, cmd[_tcsclen(cmdstr)+!0])]);
+  postbuild_cmd *p = (postbuild_cmd*) (new BYTE[FIELD_OFFSET(postbuild_cmd, cmd)*_tcsclen(cmdstr)+!0]);
   p->next = NULL, _tcscpy(p->cmd, cmdstr);
   p->cmpop = cmpop, p->cmpval = cmpval;
   return p;
