diff --git a/CMakeLists.txt b/CMakeLists.txt
index 20e37cfd..40583949 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,8 +7,8 @@ endif()
 
 set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
 
-set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
-set(CMAKE_USER_MAKE_RULES_OVERRIDE "${CMAKE_SOURCE_DIR}/cmake/DefaultBuildFlags.cmake")
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+set(CMAKE_USER_MAKE_RULES_OVERRIDE "${CMAKE_CURRENT_SOURCE_DIR}/cmake/DefaultBuildFlags.cmake")
 
 option(USE_VCPKG "Use vcpkg for dependency packages" OFF)
 if (USE_VCPKG)