combinators: fix load error

diff --git a/core/combinators/combinators.factor b/core/combinators/combinators.factor
index 7ef8ef68eae3ca2346801556dd9d7fcedd5bfa2e..bbfee30b3deceabcde0c0fa7967aea48871896b0 100644 (file)
--- a/core/combinators/combinators.factor
+++ b/core/combinators/combinators.factor
@@ -26,6 +26,7 @@ ERROR: wrong-values quot call-site ;
 ! We can't USE: effects here so we forward reference slots instead
 SLOT: in
 SLOT: out
+SLOT: terminated?
 
 : call-effect ( quot effect -- )
     ! Don't use fancy combinators here, since this word always