diff --git a/bindings/python/conftest.py b/bindings/python/conftest.py
index a91d7684d..9ce2517cd 100644
--- a/bindings/python/conftest.py
+++ b/bindings/python/conftest.py
@@ -10,7 +10,7 @@ def pytest_addoption(parser):
                         metavar='ID', help='select amplifier model number')
         parser.addoption('--amp-file', default=None,
                         metavar='DEVICE', help='set device of the amplifier to operate on')
-    if sys.argv[1].endswith("rig.py"):
+    elif sys.argv[1].endswith("rig.py"):
         parser.addoption('--model', type=int, default=1,
                         metavar='ID', help='select radio model number')
         parser.addoption('--rig-file', default=None,