diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e4e53f..ea8f893 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,18 +19,18 @@ message("Build kekgame: ${KEKENGINE_BUILD_KEKGAME}")
 message("Build with VR support: ${KEKENGINE_VR}")
 message("Target platform: ${KEKENGINE_TARGET_PLATFORM}")
 
-set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
 
-set(KEKENGINE_RESOURCE_DIR "${CMAKE_SOURCE_DIR}/src/kekengine/res")
-set(KEKGAME_RESOURCE_DIR "${CMAKE_SOURCE_DIR}/src/kekgame/res")
+set(KEKENGINE_RESOURCE_DIR "${PROJECT_SOURCE_DIR}/src/kekengine/res")
+set(KEKGAME_RESOURCE_DIR "${PROJECT_SOURCE_DIR}/src/kekgame/res")
 
-file(GLOB_RECURSE KEKENGINE_SOURCE_FILES "${CMAKE_SOURCE_DIR}/src/kekengine/cpp/*.cpp")
+file(GLOB_RECURSE KEKENGINE_SOURCE_FILES "${PROJECT_SOURCE_DIR}/src/kekengine/cpp/*.cpp")
 file(GLOB_RECURSE KEKENGINE_RESOURCE_FILES "${KEKENGINE_RESOURCE_DIR}/*")
 file(GLOB_RECURSE KEKENGINE_RELATIVE_RESOURCE_FILES RELATIVE ${KEKENGINE_RESOURCE_DIR} "${KEKENGINE_RESOURCE_DIR}/*")
 
-file(GLOB_RECURSE KEKGAME_SOURCE_FILES "${CMAKE_SOURCE_DIR}/src/kekgame/cpp/*.cpp")
+file(GLOB_RECURSE KEKGAME_SOURCE_FILES "${PROJECT_SOURCE_DIR}/src/kekgame/cpp/*.cpp")
 file(GLOB_RECURSE KEKGAME_RESOURCE_FILES "${KEKGAME_RESOURCE_DIR}/*")
 file(GLOB_RECURSE KEKGAME_RELATIVE_RESOURCE_FILES RELATIVE ${KEKGAME_RESOURCE_DIR} "${KEKGAME_RESOURCE_DIR}/*")