1 files changed, 1 insertions, 1 deletions
diff --git a/cpp/demo/IceStorm/clock/Publisher.cpp b/cpp/demo/IceStorm/clock/Publisher.cpp
index e1332b34afe..527a180f899 100644
--- a/cpp/demo/IceStorm/clock/Publisher.cpp
+++ b/cpp/demo/IceStorm/clock/Publisher.cpp
@@ -26,7 +26,7 @@ int
 main(int argc, char* argv[])
 {
     Publisher app;
-    return app.main(argc, argv, "config");
+    return app.main(argc, argv, "config.pub");
 }
 
 int