diff --git a/osc/cmdln.py b/osc/cmdln.py
index de5cc433..f6ec2e1a 100644
--- a/osc/cmdln.py
+++ b/osc/cmdln.py
@@ -559,7 +559,7 @@ class RawCmdln(cmd.Cmd):
     do_help.aliases = ["?"]
 
 
-    def do_man(self):
+    def do_man(self, argv):
         """${cmd_name}: generates a man page
 
         usage:
diff --git a/setup.py b/setup.py
index 77086388..5fa94e7e 100755
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ class build_osc(distutils.command.build.build, object):
         # (this would break builds in environments like the obs)
         #osccli.main(argv = ['osc','man'])
         osccli.optparser = osccli.get_optparser()
-        osccli.do_man()
+        osccli.do_man(None)
         outfile.close()
 
     def run(self):