diff --git a/compiler/obc/c/async.ml b/compiler/obc/c/async.ml
index 99cee0c..4004706 100644
--- a/compiler/obc/c/async.ml
+++ b/compiler/obc/c/async.ml
@@ -31,3 +31,12 @@ let async_global_objs_decls cd =
     (fun (name, ty) -> Cdecl_extern (name, ty))
     (async_global_objs_vars cd)
 
+let async_reset cd =
+  List.map
+    (fun od ->
+       let global = Cvar (async_global_var_name od) in
+       let field = Cfield (global, local_qn "mem") in
+       let reset = cname_of_qn od.o_class ^ "_reset" in
+       Csexpr (Cfun_call (reset, [Caddrof field])))
+  (filter_async_objs cd)
+
diff --git a/compiler/obc/c/cmain.ml b/compiler/obc/c/cmain.ml
index c5a7cc3..1781270 100644
--- a/compiler/obc/c/cmain.ml
+++ b/compiler/obc/c/cmain.ml
@@ -36,6 +36,7 @@ open Types
 open Signature
 open C
 open Cgen
+open Async
 open Compiler_utils
 
 (** {1 Main C function generation} *)
@@ -405,6 +406,12 @@ let mk_main name p =
           (defs, nvar_l @ var_l, res @ res_l, nstep_l @ step_l)
         with Not_found -> ([],var_l,res_l,step_l) in
 
+      let res_l = List.fold_left
+        (fun res cd -> (async_reset cd) @ res)
+        res_l
+        classes
+      in
+
       [("_main.c", Csource (defs @ [main_skel var_l res_l step_l]));
        ("_main.h", Cheader ([name], []))];
   ) else