diff --git a/filter/cleanfeed.local b/filter/cleanfeed.local
index 0cddd85..9f1fe0f 100644
--- a/filter/cleanfeed.local
+++ b/filter/cleanfeed.local
@@ -2,6 +2,7 @@
 
 use MIME::Base64();
 use Digest::SHA();
+use Digest::MD5();
 
 #
 # local_filter_cancel