diff --git a/rostests/apitests/w32knapi/CMakeLists.txt b/rostests/apitests/w32knapi/CMakeLists.txt
index 7c60cb0914b..3d66ffefc2a 100644
--- a/rostests/apitests/w32knapi/CMakeLists.txt
+++ b/rostests/apitests/w32knapi/CMakeLists.txt
@@ -1,6 +1,6 @@
 
 add_definitions(-D_DLL -D__USE_CRTIMP)
-include_directories(${REACTOS_SOURCE_DIR}/win32ss/include)
+include_directories(${REACTOS_SOURCE_DIR}/win32ss/core/include)
 
 list(APPEND SOURCE
     osver.c