diff --git a/tests/trompeloeil_doctest.h b/tests/trompeloeil_doctest.h
index 8ee4071..5546929 100644
--- a/tests/trompeloeil_doctest.h
+++ b/tests/trompeloeil_doctest.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <doctest/doctest.h>
+#include <doctest/trompeloeil.hpp>
 #include <trompeloeil.hpp>
 
 #define SECTION(name) DOCTEST_SUBCASE(name)