diff --git a/examples/structural/decorator.cpp b/examples/structural/decorator.cpp
index b3cfcd4..a51374f 100644
--- a/examples/structural/decorator.cpp
+++ b/examples/structural/decorator.cpp
@@ -114,4 +114,6 @@ int main()
   std::cout << vanilla->getPrice() << std::endl;
   // Output: Simple coffee, milk, whip, vanilla
   std::cout << vanilla->getDescription() << std::endl;
+
+  return 0;
 }