diff --git a/src/core/CCList.ml b/src/core/CCList.ml
index d5d791ac..0d5d866f 100644
--- a/src/core/CCList.ml
+++ b/src/core/CCList.ml
@@ -313,7 +313,7 @@ let rec unfold_kont f seed k =
   match f seed with
   | None -> k []
   | Some (v, next) ->
-    let k' tl = v :: tl in
+    let k' tl = v :: k tl in
     unfold_kont f next k'
 
 let[@inline] unfold f seed =
diff --git a/tests/core/t_list.ml b/tests/core/t_list.ml
index b32aef65..05de8854 100644
--- a/tests/core/t_list.ml
+++ b/tests/core/t_list.ml
@@ -131,17 +131,18 @@ q
     = (List.rev l, flat_map (fun x -> [ x; x + 10 ]) l))
 ;;
 
-t @@ fun () ->
+eq ~printer:Q.Print.(list int) ~name:"unfold1" [ 0; 2; 4; 6; 8; 10 ]
+@@
 let f x =
   if x <= 5 then
     Some (2 * x, x + 1)
   else
     None
 in
-unfold f 0 = [ 0; 2; 4; 6; 8; 10 ]
+unfold f 0
 ;;
 
-t @@ fun () ->
+t ~name:"unfold2" @@ fun () ->
 let l =
   unfold
     (fun n ->