diff --git a/boottest.py b/boottest.py
index 79c212a..254e8e0 100644
--- a/boottest.py
+++ b/boottest.py
@@ -158,7 +158,7 @@ class BootTest(object):
         command = [
             self.script_path,
             "-c", self.rc_path,
-            "-d", self.distribution, "-s", self.series,
+            "-r", self.series,
             ]
         command.extend(args)
         return subprocess.check_output(command).strip()
diff --git a/tests/test_boottest.py b/tests/test_boottest.py
index acc6675..c788959 100644
--- a/tests/test_boottest.py
+++ b/tests/test_boottest.py
@@ -190,8 +190,7 @@ def collect():
         f.write(template)
 
 p = argparse.ArgumentParser()
-p.add_argument('-d')
-p.add_argument('-s')
+p.add_argument('-r')
 p.add_argument('-c')
 
 sp = p.add_subparsers()