diff --git a/compiler/heptagon/ctrln/ctrlNbacAsEpt.ml b/compiler/heptagon/ctrln/ctrlNbacAsEpt.ml
index 9838ee5..e26b40f 100644
--- a/compiler/heptagon/ctrln/ctrlNbacAsEpt.ml
+++ b/compiler/heptagon/ctrln/ctrlNbacAsEpt.ml
@@ -244,6 +244,9 @@ let translate_expr gd e =
                                  %a" print_typ (`Bint (s, w)), flag))
     | `Nuop (op, e) -> mk_nuapp ?flag op e
     | `Nnop (op, e, f, l) -> mk_nnapp ?flag op e f l
+    | `Luop _
+    | `Lbop _
+    | `Lsop _ -> raise (Untranslatable ("Bitwise operation", flag))
     | #cond as c -> trcond ?flag tb tn c
     | #flag as e -> apply' tn e
   and mkb_ncmp ?flag re e f =
@@ -264,8 +267,8 @@ let translate_expr gd e =
     let flt = List.exists (fun { e_ty } -> e_ty = Initial.tfloat) el in
     let typ = if flt then Initial.tfloat else Initial.tint in
     let el = if flt
-             then List.rev_map flttyp_exp el
-             else List.rev el in
+      then List.rev_map flttyp_exp el
+      else List.rev el in
     let op = mk_bapp (Efun (nnop typ op)) in
     List.fold_left (fun acc e -> mkp typ (op acc e)) (List.hd el) (List.tl el)
   and tp ?flag : 'f AST.exp -> _ = function
diff --git a/compiler/minils/ctrln/ctrlNbacGen.ml b/compiler/minils/ctrln/ctrlNbacGen.ml
index 643d77e..7d168d8 100644
--- a/compiler/minils/ctrln/ctrlNbacGen.ml
+++ b/compiler/minils/ctrln/ctrlNbacGen.ml
@@ -398,7 +398,7 @@ let prefix_vars ~pref vars : symb -> symb =
 let declare_contr (decls, contrs, vds)
     ({ v_ident = id; v_type = ty } as vd) rank =
   let v = mk_symb & name id in
-  SMap.add v (translate_typ ty, `Contr (one, rank, None), None) decls,
+  SMap.add v (translate_typ ty, `Contr (one, rank, `None), None) decls,
   SMap.add v (id, ty) contrs,
   vd :: vds
 
diff --git a/configure.in b/configure.in
index 6960eb6..220fae0 100644
--- a/configure.in
+++ b/configure.in
@@ -71,7 +71,7 @@ AC_CHECK_OCAML_PKG([lablgtk2])
     AC_MSG_WARN([Could not find 'lablgtk2'. The simulator will not be built])
  fi
 
-dnl version should be >= 0.9.6
+dnl version should be >= 0.11
 AC_CHECK_OCAML_PKG([reatk.ctrlNbac])
  if test "${OCAML_PKG_reatk_ctrlNbac}" = "no"; then
    package_reatk_ctrlNbac="ocaml"; #dummy flag