diff --git a/include/elem_circ.h b/include/elem_circ.h
index f318dbf..14bb414 100644
--- a/include/elem_circ.h
+++ b/include/elem_circ.h
@@ -291,5 +291,11 @@ public:
     }
 };
 
+template <relat Rp, relat Rc, trans Ts>
+struct prod_cons {
+    template <std::size_t DataSize>
+    using elems_t = elem_array<DataSize, prod_cons_circ<Rp, Rc, Ts>>;
+};
+
 } // namespace circ
 } // namespace ipc
diff --git a/include/ipc.h b/include/ipc.h
index 0f273fa..6f3bc8d 100644
--- a/include/ipc.h
+++ b/include/ipc.h
@@ -138,7 +138,7 @@ public:
  * (one producer/server/sender to multi consumers/clients/receivers)
 */
 using route = channel_impl<channel_detail<
-    ipc::queue, ipc::prod_cons_circ<relat::single, relat::multi, trans::broadcast>
+    ipc::queue, ipc::circ::prod_cons<relat::single, relat::multi, trans::broadcast>
 >>;
 
 /*
@@ -150,7 +150,7 @@ using route = channel_impl<channel_detail<
 */
 
 using channel = channel_impl<channel_detail<
-    ipc::queue, ipc::prod_cons_circ<relat::multi, relat::multi, trans::broadcast>
+    ipc::queue, ipc::circ::prod_cons<relat::multi, relat::multi, trans::broadcast>
 >>;
 
 } // namespace ipc
diff --git a/include/queue.h b/include/queue.h
index 6c8a514..5c8d2d5 100644
--- a/include/queue.h
+++ b/include/queue.h
@@ -19,10 +19,10 @@
 namespace ipc {
 
 template <typename T,
-          typename Policy = ipc::prod_cons_circ<relat::single, relat::multi, trans::broadcast>>
+          typename Policy = ipc::circ::prod_cons<relat::single, relat::multi, trans::broadcast>>
 class queue {
 public:
-    using elems_t  = circ::elem_array<sizeof(T), Policy>;
+    using elems_t  = typename Policy::template elems_t<sizeof(T)>;
     using policy_t = typename elems_t::policy_t;
 
 private:
diff --git a/src/ipc.cpp b/src/ipc.cpp
index 14b6a31..b0b044f 100644
--- a/src/ipc.cpp
+++ b/src/ipc.cpp
@@ -263,10 +263,10 @@ buff_t channel_detail<Queue, Policy>::recv(handle_t h) {
     return detail_impl<Queue, Policy>::recv(h);
 }
 
-template struct channel_detail<ipc::queue, ipc::prod_cons_circ<relat::single, relat::single, trans::unicast  >>;
-template struct channel_detail<ipc::queue, ipc::prod_cons_circ<relat::single, relat::multi , trans::unicast  >>;
-template struct channel_detail<ipc::queue, ipc::prod_cons_circ<relat::multi , relat::multi , trans::unicast  >>;
-template struct channel_detail<ipc::queue, ipc::prod_cons_circ<relat::single, relat::multi , trans::broadcast>>;
-template struct channel_detail<ipc::queue, ipc::prod_cons_circ<relat::multi , relat::multi , trans::broadcast>>;
+template struct channel_detail<ipc::queue, ipc::circ::prod_cons<relat::single, relat::single, trans::unicast  >>;
+template struct channel_detail<ipc::queue, ipc::circ::prod_cons<relat::single, relat::multi , trans::unicast  >>;
+template struct channel_detail<ipc::queue, ipc::circ::prod_cons<relat::multi , relat::multi , trans::unicast  >>;
+template struct channel_detail<ipc::queue, ipc::circ::prod_cons<relat::single, relat::multi , trans::broadcast>>;
+template struct channel_detail<ipc::queue, ipc::circ::prod_cons<relat::multi , relat::multi , trans::broadcast>>;
 
 } // namespace ipc