diff --git a/exercises/quiz4.rs b/exercises/quiz4.rs
index 6c47480..2cd2f36 100644
--- a/exercises/quiz4.rs
+++ b/exercises/quiz4.rs
@@ -5,7 +5,11 @@
 
 // Write a macro that passes the quiz! No hints this time, you can do it!
 
-// I AM NOT DONE
+macro_rules! my_macro {
+    ($name:expr) => {
+        format!("Hello {}", $name)
+    };
+}
 
 #[cfg(test)]
 mod tests {