1 files changed, 4 insertions, 0 deletions
diff --git a/IkiWiki.pm b/IkiWiki.pm
index 56a27b3b0..d8b272125 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -6,6 +6,10 @@ use strict;
 use Encode;
 use open qw{:utf8 :std};
 
+# Optimisation.
+use Memoize;
+memoize("abs2rel");
+
 use vars qw{%config %links %oldlinks %oldpagemtime %pagectime
             %renderedfiles %pagesources %depends %hooks};