diff --git a/docs/reference/meson.build b/docs/reference/meson.build
index c990b9775..e0bbc0561 100644
--- a/docs/reference/meson.build
+++ b/docs/reference/meson.build
@@ -14,10 +14,10 @@ if get_option('documentation') and enable_gir
     '--fatal-warnings',
     '--add-include-path=@0@'.format(meson.current_build_dir() / '../../girepository/introspection'),
   ]
-
-  docs_dir = glib_datadir / 'doc' / 'glib-2.0'
 endif
 
+docs_dir = glib_datadir / 'doc' / 'glib-2.0'
+
 subdir('glib')
 subdir('gmodule')
 subdir('gobject')