diff --git a/src/crypto/common/VirtualMemory_unix.cpp b/src/crypto/common/VirtualMemory_unix.cpp
index c69e93ac..2b32b89d 100644
--- a/src/crypto/common/VirtualMemory_unix.cpp
+++ b/src/crypto/common/VirtualMemory_unix.cpp
@@ -32,7 +32,7 @@
 #   include <mach/vm_statistics.h>
 #   include <pthread.h>
 #   include <TargetConditionals.h>
-#   ifdef XMRIG_OS_MACOS
+#   ifdef XMRIG_ARM
 #       define MEXTRA MAP_JIT
 #   else
 #       define MEXTRA 0