1 files changed, 5 insertions, 1 deletions
diff --git a/bbot/agent.cxx b/bbot/agent.cxx
index 60d59e6..2df96e6 100644
--- a/bbot/agent.cxx
+++ b/bbot/agent.cxx
@@ -781,9 +781,13 @@ try
 
   // Controller URLs.
   //
-  if (argc < 2 && !ops.fake_request_specified ())
+  if (argc < 2 &&
+      !ops.dump_machines () &&
+      !ops.fake_request_specified ())
+  {
     fail << "controller url expected" <<
       info << "run " << argv[0] << " --help for details";
+  }
 
   strings controllers;