diff --git a/test/libs/mythirdpartylib/src/Foo.cpp b/test/libs/mythirdpartylib/src/Foo.cpp
index c0397565..304c7c77 100644
--- a/test/libs/mythirdpartylib/src/Foo.cpp
+++ b/test/libs/mythirdpartylib/src/Foo.cpp
@@ -1,4 +1,4 @@
-#include "Foo.h"
+#include "Foo.hpp"
 
 namespace mythirdpartylib {