diff --git a/devops-client/lib/devops-client/handler/deploy.rb b/devops-client/lib/devops-client/handler/deploy.rb
index 6213bc2..f5c06ed 100644
--- a/devops-client/lib/devops-client/handler/deploy.rb
+++ b/devops-client/lib/devops-client/handler/deploy.rb
@@ -14,6 +14,8 @@ class Deploy < Handler
     if ARGV.size > 1
       self.options = @options_parser.deploy_options
       deploy_handler @options_parser.args
+    else
+      @options_parser.invalid_command
     end
   end