diff --git a/protocols/meson.build b/protocols/meson.build
index 9f5dd496..57c9e8a7 100644
--- a/protocols/meson.build
+++ b/protocols/meson.build
@@ -7,7 +7,7 @@ gen_scanner_client_header = generator(wl_scanner,
     arguments: ['client-header', '@INPUT@', '@OUTPUT@'])
 gen_scanner_client_code = generator(wl_scanner,
     output: '@BASENAME@-protocol.c',
-    arguments: ['code', '@INPUT@', '@OUTPUT@'])
+    arguments: ['private-code', '@INPUT@', '@OUTPUT@'])
 
 wl_protos = [
   wl_protocol_dir + '/stable/xdg-shell/xdg-shell.xml',