diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4ccfbf83..33721bc1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,7 +63,7 @@ target_link_libraries(${PROJECT_NAME} VoxelEngineSrc ${CMAKE_DL_LIBS})
 add_custom_command(
   TARGET ${PROJECT_NAME} 
   POST_BUILD 
-  COMMAND ${CMAKE_COMMAND} -E copy_if_different 
+  COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different 
           ${CMAKE_CURRENT_SOURCE_DIR}/res 
           $<TARGET_FILE_DIR:${PROJECT_NAME}>/res
   )
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 24fb66713..0597d6e47 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -21,7 +21,7 @@ target_link_libraries(
 add_custom_command(
   TARGET ${PROJECT_NAME} 
   POST_BUILD 
-  COMMAND ${CMAKE_COMMAND} -E copy_if_different 
+  COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different 
           ${CMAKE_SOURCE_DIR}/res 
           ${CMAKE_CURRENT_BINARY_DIR}/res
   )