diff --git a/meson.build b/meson.build
index a8f1383a0c..a3a7545ae1 100644
--- a/meson.build
+++ b/meson.build
@@ -868,8 +868,8 @@ pkgconf = configuration_data()
 
 pkgconf.set('prefix', get_option('prefix'))
 pkgconf.set('exec_prefix', '${prefix}')
-pkgconf.set('libdir', '${prefix}/@0@'.format(get_option('libdir')))
-pkgconf.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))
+pkgconf.set('libdir', '${prefix}' / get_option('libdir'))
+pkgconf.set('includedir', '${prefix}' / get_option('includedir'))
 pkgconf.set('GTK_API_VERSION', gtk_api_version)
 pkgconf.set('VERSION', meson.project_version())
 pkgconf.set('GTK_BINARY_VERSION', gtk_binary_version)