diff --git a/toys/createindex b/toys/createindex
index a7274d5..d3a2192 100755
--- a/toys/createindex
+++ b/toys/createindex
@@ -280,6 +280,7 @@ FROM			source_files
 WHERE
     NOT	mime_types.mime_text LIKE "text/%"
 AND NOT	mime_types.mime_text LIKE "image/%"
+AND	last_seen = '$lastupdate'
 ORDER BY source_files.filename
 COLLATE NOCASE;