diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index d363acf44..c6eb9e607 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -220,17 +220,19 @@ endif()
 
 # Test config
 
-SETUP_BASIC_TEST(
-    NAME config_ext
-    SOURCES entt/config/config.cpp
-    INCLUDE ${CMAKE_CURRENT_SOURCE_DIR}/include
-)
-
 SETUP_BASIC_TEST(
     NAME config
     SOURCES entt/config/version.cpp
 )
 
+# Test config_ext
+
+SETUP_BASIC_TEST(
+    NAME config_ext
+    SOURCES entt/config_ext/config.cpp
+    INCLUDE ${CMAKE_CURRENT_SOURCE_DIR}/include
+)
+
 # Test container
 
 SETUP_BASIC_TEST(
diff --git a/test/entt/config/config.cpp b/test/entt/config_ext/config.cpp
similarity index 100%
rename from test/entt/config/config.cpp
rename to test/entt/config_ext/config.cpp