diff --git a/.gitignore b/.gitignore
index e52f3484..877c2b1d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -284,3 +284,4 @@ examples/FunctionInterruptSimulation-Delegates/vs2019/.vs
 
 *.db-shm
 test/vs2019/.vs/etl/v16/Browse.VC.db-wal
+examples/SharedMessage/.vs
diff --git a/include/etl/message_bus.h b/include/etl/message_bus.h
index b00567e9..6897645f 100644
--- a/include/etl/message_bus.h
+++ b/include/etl/message_bus.h
@@ -149,11 +149,18 @@ namespace etl
 
     //*******************************************
     virtual void receive(etl::imessage_router& source,
-                         const etl::imessage&  message) ETL_OVERRIDE
+                         const etl::imessage& message) ETL_OVERRIDE
     {
       receive(source, etl::imessage_router::ALL_MESSAGE_ROUTERS, message);
     }
 
+    //*******************************************
+    virtual void receive(etl::imessage_router& source,
+                         etl::shared_message   shared_msg) ETL_OVERRIDE
+    {
+      receive(source, etl::imessage_router::ALL_MESSAGE_ROUTERS, shared_msg);
+    }
+
     //********************************************
     virtual void receive(etl::imessage_router&    source,
                          etl::message_router_id_t destination_router_id, 
diff --git a/include/etl/reference_counted_message_pool.h b/include/etl/reference_counted_message_pool.h
index 3614c7f6..48f7a023 100644
--- a/include/etl/reference_counted_message_pool.h
+++ b/include/etl/reference_counted_message_pool.h
@@ -33,6 +33,7 @@ SOFTWARE.
 
 #include "platform.h"
 #include "message.h"
+#include "imemory_block_allocator.h"
 #include "ireference_counted_message_pool.h"
 #include "reference_counted_message.h"
 #include "static_assert.h"
@@ -45,9 +46,6 @@ SOFTWARE.
 #undef ETL_FILE
 #define ETL_FILE ETL_REFERENCE_COUNTER_MESSAGE_POOL_ID
 
-#undef ETL_MAX
-#define ETL_MAX(a, b) ((a) < (b) ? (b) : (a))
-
 namespace etl
 {
   //***************************************************************************
@@ -234,6 +232,5 @@ namespace etl
 }
 
 #undef ETL_FILE
-#undef ETL_MAX
 
 #endif