diff --git a/extra/slots/syntax/syntax.factor b/extra/slots/syntax/syntax.factor
index 9b647bc5c6..ef572910d8 100755
--- a/extra/slots/syntax/syntax.factor
+++ b/extra/slots/syntax/syntax.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2010 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: combinators combinators.smart fry lexer quotations
-sequences slots words ;
+USING: combinators combinators.smart fry kernel lexer
+quotations sequences sequences.generalizations slots words ;
 IN: slots.syntax
 
 SYNTAX: slots[