diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index ba2892a..bf96526 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -24,6 +24,8 @@ add_executable(module-tests
         oatpp-postgresql/types/IntTest.hpp
         oatpp-postgresql/types/CharacterTest.cpp
         oatpp-postgresql/types/CharacterTest.hpp
+        oatpp-postgresql/types/EnumAsStringTest.cpp
+        oatpp-postgresql/types/EnumAsStringTest.hpp
         oatpp-postgresql/tests.cpp
         )