diff --git a/example/interface_example.cpp b/example/interface_example.cpp
index d4f66bb..6b7f8d9 100644
--- a/example/interface_example.cpp
+++ b/example/interface_example.cpp
@@ -8,6 +8,7 @@
 // See interface.hpp in this directory for details.
 
 #include <iostream>
+#include <typeinfo>
 
 #include "interface.hpp"