diff --git a/scripts/mk_util.py b/scripts/mk_util.py
index 338dd822f..34ca9a38a 100644
--- a/scripts/mk_util.py
+++ b/scripts/mk_util.py
@@ -695,7 +695,7 @@ def parse_options():
     global GUARD_CF, ALWAYS_DYNAMIC_BASE, IS_ARCH_ARM64
     try:
         options, remainder = getopt.gnu_getopt(sys.argv[1:],
-                                               'b:df:sxhmcvtnp:gj',
+                                               'b:df:sxa:hmcvtnp:gj',
                                                ['build=', 'debug', 'silent', 'x64', 'arm64=', 'help', 'makefiles', 'showcpp', 'vsproj', 'guardcf',
                                                 'trace', 'dotnet', 'dotnet-key=', 'staticlib', 'prefix=', 'gmp', 'java', 'parallel=', 'gprof', 'js',
                                                 'githash=', 'git-describe', 'x86', 'ml', 'optimize', 'pypkgdir=', 'python', 'staticbin', 'log-sync', 'single-threaded'])