diff --git a/cibuildwheel/__main__.py b/cibuildwheel/__main__.py
index 306e73ab..5ddd2b63 100644
--- a/cibuildwheel/__main__.py
+++ b/cibuildwheel/__main__.py
@@ -28,6 +28,7 @@ def main() -> None:
     platform: PlatformName
 
     parser = argparse.ArgumentParser(
+        prog="cibuildwheel",
         description="Build wheels for all the platforms.",
         epilog="""
             Most options are supplied via environment variables or in
diff --git a/cibuildwheel/from_sdist.py b/cibuildwheel/from_sdist.py
index 8bff69a0..f24834f5 100644
--- a/cibuildwheel/from_sdist.py
+++ b/cibuildwheel/from_sdist.py
@@ -11,6 +11,7 @@ from cibuildwheel.util import format_safe
 
 def main() -> None:
     parser = argparse.ArgumentParser(
+        prog="cibuildwheel-from-sdist",
         description=textwrap.dedent(
             """
             Build wheels from an sdist archive.