diff --git a/CMakeLists.txt b/CMakeLists.txt
index f6e7358..912382b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_C_STANDARD 99)
 
 # Global variables
-set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 
 if(UNIX)
   include(GNUInstallDirs)
diff --git a/libcpuid/CMakeLists.txt b/libcpuid/CMakeLists.txt
index 7031650..c857e30 100644
--- a/libcpuid/CMakeLists.txt
+++ b/libcpuid/CMakeLists.txt
@@ -67,7 +67,7 @@ include(CMakePackageConfigHelpers)
 write_basic_package_version_file("${version_config}" COMPATIBILITY SameMajorVersion)
 
 # Configure '<PROJECT-NAME>Config.cmake' Use variables: * TARGETS_EXPORT_NAME * PROJECT_NAME
-configure_package_config_file("${CMAKE_MODULE_PATH}/Config.cmake.in" "${project_config}"
+configure_package_config_file("${PROJECT_SOURCE_DIR}/cmake/Config.cmake.in" "${project_config}"
                               INSTALL_DESTINATION "${config_install_dir}")
 
 # Installation