diff --git a/setup.py b/setup.py
index 7960878..0b98db1 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@ setup(
     author_email='luke@devthe.com',
     ext_modules = cythonize("whispercpp.pyx"),
     include_dirs = ['./whisper.cpp/', numpy.get_include()],
-    extra_compile_args = ['-std=c++20'],
+    extra_compile_args = ['/std:c++20'],
     install_requires=[
       'numpy',
       'ffmpeg-python',