1 files changed, 6 insertions, 0 deletions
diff --git a/cpp/demo/IceBox/hello/Client.cpp b/cpp/demo/IceBox/hello/Client.cpp
index 4b879387b9d..f7e9e331cd8 100644
--- a/cpp/demo/IceBox/hello/Client.cpp
+++ b/cpp/demo/IceBox/hello/Client.cpp
@@ -51,6 +51,12 @@ HelloClient::menu()
 int
 HelloClient::run(int argc, char* argv[])
 {
+    if(argc > 1)
+    {
+        cerr << appName() << ": too many arguments" << endl;
+        return EXIT_FAILURE;
+    }
+
     //
     // Since this is an interactive demo we want the custom interrupt
     // callback to be called when the process is interrupted.