diff --git a/greetings.go b/greetings.go
index e56a36f..af32a25 100644
--- a/greetings.go
+++ b/greetings.go
@@ -11,7 +11,7 @@ func Hello(name string) string {
     }
     // Return a greeting that embeds the name in a message.
     message := fmt.Sprintf("Hi, %v. Welcome!", name)
-    return message
+    return message, nil
 }