--- meson.build
+++ meson.build
@@ -507,7 +507,7 @@ glx_inc = include_directories('glx')
 
 top_srcdir_inc = include_directories('.')
 
-serverconfigdir = join_paths(get_option('libdir'), 'xorg')
+serverconfigdir = join_paths(get_option('prefix'), get_option('libdir'), 'xorg')
 
 manpage_config = configuration_data()
 manpage_config.set('vendorversion', '"xorg-server @0@" "X Version 11"'.format(meson.project_version()))