diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 159008614..7d68a9b2d 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -376,6 +376,10 @@ sub match_copyright ($$;@) {
 	IkiWiki::Plugin::meta::match("copyright", @_);
 }
 
+sub match_guid ($$;@) {
+	IkiWiki::Plugin::meta::match("guid", @_);
+}
+
 package IkiWiki::SortSpec;
 
 sub cmp_meta {