diff --git a/extra/spider/spider.factor b/extra/spider/spider.factor
index 933ad8364f..cb30fb6a29 100644
--- a/extra/spider/spider.factor
+++ b/extra/spider/spider.factor
@@ -49,7 +49,7 @@ fetched-in parsed-html links processed-in fetched-at ;
 
 : apply-filters ( links spider -- links' )
     filters>> [
-        '[ _ 1&& ] filter
+        '[ [ _ 1&& ] filter ] call( seq -- seq' )
     ] when* ;
 
 : push-links ( links level unique-deque -- )