diff --git a/src/coreclr/pal/src/CMakeLists.txt b/src/coreclr/pal/src/CMakeLists.txt
index 28fc8765768a5..cc301eb275731 100644
--- a/src/coreclr/pal/src/CMakeLists.txt
+++ b/src/coreclr/pal/src/CMakeLists.txt
@@ -67,7 +67,7 @@ endif(CLR_CMAKE_USE_SYSTEM_LIBUNWIND)
 
 if(CLR_CMAKE_TARGET_OSX)
   add_definitions(-DTARGET_OSX)
-  if(CLR_CMAKE_TARGET_ARCH_AMD64)
+  if(CLR_CMAKE_HOST_ARCH_AMD64)
     add_definitions(-DXSTATE_SUPPORTED)
   endif()
   set(PLATFORM_SOURCES