diff --git a/core/CCSequence.mli b/core/CCSequence.mli
index 3b2056d3..a05a0c18 100644
--- a/core/CCSequence.mli
+++ b/core/CCSequence.mli
@@ -329,6 +329,11 @@ val to_rev_list : 'a t -> 'a list
 
 val of_list : 'a list -> 'a t
 
+val on_list : ('a t -> 'b t) -> 'a list -> 'b list
+(** [on_list f l] is equivalent to [to_list @@ f @@ of_list l].
+    @since NEXT_RELEASE
+*)
+
 val to_opt : 'a t -> 'a option
   (** Alias to {!head}
       @since NEXT_RELEASE *)
diff --git a/sequence/CHANGELOG.md b/sequence/CHANGELOG.md
index 1e311bb9..09b514c1 100644
--- a/sequence/CHANGELOG.md
+++ b/sequence/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.5.2
+
+- bugfix in `take`
+- `on_list` for mapping lists through sequences
+
 ## 0.5.1
 
 - `Sequence.IO` module, a very very simple way to read/write files
diff --git a/sequence/META b/sequence/META
index 5fc1bff7..ffd12c91 100644
--- a/sequence/META
+++ b/sequence/META
@@ -1,6 +1,6 @@
 # OASIS_START
-# DO NOT EDIT (digest: 3b9ebef180f5e4bdb720d2103ba95667)
-version = "0.5.1"
+# DO NOT EDIT (digest: f4f3ee8dc8cda763af26a927b88956e6)
+version = "0.5.2"
 description = "Simple sequence (iterator) datatype and combinators"
 archive(byte) = "sequence.cma"
 archive(byte, plugin) = "sequence.cma"
@@ -8,7 +8,7 @@ archive(native) = "sequence.cmxa"
 archive(native, plugin) = "sequence.cmxs"
 exists_if = "sequence.cma"
 package "invert" (
- version = "0.5.1"
+ version = "0.5.2"
  description = "Simple sequence (iterator) datatype and combinators"
  requires = "sequence delimcc"
  archive(byte) = "invert.cma"
diff --git a/sequence/_oasis b/sequence/_oasis
index d1452f2e..7c5a8e43 100644
--- a/sequence/_oasis
+++ b/sequence/_oasis
@@ -1,6 +1,6 @@
 OASISFormat: 0.4
 Name:        sequence
-Version:     0.5.1
+Version:     0.5.2
 Homepage:    https://github.com/c-cube/sequence
 Authors:     Simon Cruanes
 License:     BSD-2-clause
diff --git a/sequence/sequence.ml b/sequence/sequence.ml
index 9e5fb844..54ed7e85 100644
--- a/sequence/sequence.ml
+++ b/sequence/sequence.ml
@@ -336,9 +336,9 @@ let take n seq k =
   let count = ref 0 in
   try
     seq (fun x ->
+      if !count = n then raise ExitSequence;
       incr count;
       k x;
-      if !count = n then raise ExitSequence
     )
   with ExitSequence -> ()
 
@@ -436,14 +436,17 @@ let to_list seq = List.rev (fold (fun y x -> x::y) [] seq)
 
 let to_rev_list seq = fold (fun y x -> x :: y) [] seq
 
+let of_list l k = List.iter k l
+
+let on_list f l =
+  to_list (f (of_list l))
+
 let to_opt = head
 
 let of_opt o k = match o with
   | None -> ()
   | Some x -> k x
 
-let of_list l k = List.iter k l
-
 let to_array seq =
   let l = MList.of_seq seq in
   let n = MList.length l in
@@ -767,5 +770,3 @@ module IO = struct
   let write_lines ?mode ?flags filename seq =
     write_to ?mode ?flags filename (snoc (intersperse "\n" seq) "\n")
 end
-
-
diff --git a/sequence/sequence.mli b/sequence/sequence.mli
index 04a63102..449b3f77 100644
--- a/sequence/sequence.mli
+++ b/sequence/sequence.mli
@@ -319,6 +319,11 @@ val to_rev_list : 'a t -> 'a list
 
 val of_list : 'a list -> 'a t
 
+val on_list : ('a t -> 'b t) -> 'a list -> 'b list
+(** [on_list f l] is equivalent to [to_list @@ f @@ of_list l].
+    @since 0.5.2
+*)
+
 val to_opt : 'a t -> 'a option
   (** Alias to {!head}
       @since 0.5.1 *)
diff --git a/sequence/setup.ml b/sequence/setup.ml
index e293257d..72507e21 100644
--- a/sequence/setup.ml
+++ b/sequence/setup.ml
@@ -1,7 +1,7 @@
 (* setup.ml generated for the first time by OASIS v0.4.4 *)
 
 (* OASIS_START *)
-(* DO NOT EDIT (digest: d7a207daf3186cce7792651a50aaba59) *)
+(* DO NOT EDIT (digest: 3e1599f233d66e02cd17bbb3a1c71d9e) *)
 (*
    Regenerated by OASIS v0.4.4
    Visit http://oasis.forge.ocamlcore.org for more information and
@@ -6826,7 +6826,7 @@ let setup_t =
           alpha_features = [];
           beta_features = [];
           name = "sequence";
-          version = "0.5.1";
+          version = "0.5.2";
           license =
             OASISLicense.DEP5License
               (OASISLicense.DEP5Unit
@@ -7192,7 +7192,8 @@ let setup_t =
        };
      oasis_fn = Some "_oasis";
      oasis_version = "0.4.4";
-     oasis_digest = Some "8\252\157\1340^<0\133GR\029nmc6";
+     oasis_digest =
+       Some "\142\243\242-\024\139\245\030\1867\186\147D\175\251\192";
      oasis_exec = None;
      oasis_setup_args = [];
      setup_update = false
@@ -7200,6 +7201,6 @@ let setup_t =
 
 let setup () = BaseSetup.setup setup_t;;
 
-# 7204 "setup.ml"
+# 7205 "setup.ml"
 (* OASIS_STOP *)
 let () = setup ();;
diff --git a/sequence/tests/test_sequence.ml b/sequence/tests/test_sequence.ml
index bfd7dac4..1b6c8623 100644
--- a/sequence/tests/test_sequence.ml
+++ b/sequence/tests/test_sequence.ml
@@ -190,6 +190,13 @@ let test_int_range () =
   OUnit.assert_equal ~printer:pp_ilist [] S.(to_list (10 --^ 60));
   ()
 
+let test_take () =
+  let l = S.(to_list (take 0 (of_list [1]))) in
+  OUnit.assert_equal ~printer:pp_ilist [] l;
+  let l = S.(to_list (take 5 (of_list [1;2;3;4;5;6;7;8;9;10]))) in
+  OUnit.assert_equal ~printer:pp_ilist [1;2;3;4;5] l;
+  ()
+
 let suite =
   "test_sequence" >:::
     [ "test_empty" >:: test_empty;
@@ -217,4 +224,5 @@ let suite =
       "test_unfoldr" >:: test_unfoldr;
       "test_hashtbl" >:: test_hashtbl;
       "test_int_range" >:: test_int_range;
+      "test_take" >:: test_take;
     ]