diff --git a/M2/Macaulay2/d/actors2.dd b/M2/Macaulay2/d/actors2.dd
index c61e9918f8..bab0123cba 100644
--- a/M2/Macaulay2/d/actors2.dd
+++ b/M2/Macaulay2/d/actors2.dd
@@ -137,7 +137,7 @@ export pairs(e:Expr):Expr := (
 	if o.Mutable then unlock(o.mutex);
 	l )
      is o:Sequence do
-	  Expr(new Sequence len length(o) do (
+	  list(new Sequence len length(o) do (
 	    i := 0;
 	    while i < length(o) do (
 	      provide Expr(Sequence(toExpr(i),o.i));