diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3dbe74f..079bfde 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,10 +8,10 @@ option(LLAMA_BUILD "Build llama.cpp shared library and install alongside python
 if (LLAMA_BUILD)
     set(BUILD_SHARED_LIBS "On")
     if (APPLE)
-        set(LLAMA_AVX OFF)
-        set(LLAMA_AVX2 OFF)
-        set(LLAMA_FMA OFF)
-        set(LLAMA_F16C OFF)
+        set(LLAMA_AVX "Off")
+        set(LLAMA_AVX2 "Off")
+        set(LLAMA_FMA "Off")
+        set(LLAMA_F16C "Off")
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mtune=native")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=native")
     endif()