diff --git a/lib/crypto.lua b/lib/crypto.lua
index 91e80914..6f04257f 100644
--- a/lib/crypto.lua
+++ b/lib/crypto.lua
@@ -49,7 +49,14 @@ function MP.UTILS.server_connection_ID()
 		local serial_ptr = ffi.new("DWORD[1]")
 		local ok = ffi.C.GetVolumeInformationA("C:\\", nil, 0, serial_ptr, nil, nil, nil, 0)
 		if ok ~= 0 then raw_id = tostring(serial_ptr[0]) end
-	end
+	elseif os_name == "OS X" then
+        local cmd = [[ioreg -rd1 -c IOPlatformExpertDevice | awk '/IOPlatformUUID/ { split($0, line, "\""); printf("%s\n", line[4]); }']]
+        local handle = io.popen(cmd)
+        local result = handle:read("*a")
+        if handle then handle:close() end
+        print(result)
+        raw_id = tostring(result)
+    end
 
 	if not raw_id then raw_id = os.getenv("USER") or os.getenv("USERNAME") or os_name end