diff --git a/armi/cli/entryPoint.py b/armi/cli/entryPoint.py
index feabbac01..75b30e026 100644
--- a/armi/cli/entryPoint.py
+++ b/armi/cli/entryPoint.py
@@ -104,6 +104,7 @@ def __init__(self):
         self.parser = argparse.ArgumentParser(
             prog="{} {}".format(context.APP_NAME, self.name),
             description=self.description or self.__doc__,
+            formatter_class=argparse.ArgumentDefaultsHelpFormatter,
         )
         if self.settingsArgument is not None:
             if self.settingsArgument not in ["required", "optional"]: