diff --git a/configurations/importer.py b/configurations/importer.py
index 66cff61..1dad4d7 100644
--- a/configurations/importer.py
+++ b/configurations/importer.py
@@ -37,9 +37,10 @@ def install(check_options=False):
                 if isinstance(parser, OptionParser):
                     # in case the option_list is set the create_parser
                     # will actually return a OptionParser for backward
-                    # compatibility. It uses BaseCommand.use_argparse
-                    # to decide that, which checks for the option_list list
-                    base.BaseCommand.option_list += configuration_options
+                    # compatibility. In that case we should tack our
+                    # options on to the end of the parser on the way out.
+                    for option in configuration_options:
+                        parser.add_option(option)
                 else:
                     # probably argparse, let's not import argparse though
                     parser.add_argument(CONFIGURATION_ARGUMENT,