diff --git a/cpp/CMakeLists.txt-macos b/cpp/CMakeLists.txt-macos
index c772b6774..65d3f8696 100644
--- a/cpp/CMakeLists.txt-macos
+++ b/cpp/CMakeLists.txt-macos
@@ -287,3 +287,7 @@ message(STATUS "Enabling AppleClang-specific build options.")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnull-dereference -Wdangling-else")
 
 target_include_directories(katago PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
+
+if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
+  message(WARNING "You are currently running cmake on an Intel-based processor. It is known that running KataGo in this configuration may encounter performance issues. It is recommended to switch to a cmake version designed for ARM64 architecture for optimal performance.")
+endif()