diff --git a/libraries/app/api.cpp b/libraries/app/api.cpp
index 0cb6ae0d..adba2f9f 100644
--- a/libraries/app/api.cpp
+++ b/libraries/app/api.cpp
@@ -171,7 +171,8 @@ namespace graphene { namespace app {
        trx.validate();
        _app.chain_database()->check_tansaction_for_duplicated_operations(trx);
        _app.chain_database()->push_transaction(trx);
-       _app.p2p_node()->broadcast_transaction(trx);
+       if( _app.p2p_node() != nullptr )
+          _app.p2p_node()->broadcast_transaction(trx);
     }
 
     fc::variant network_broadcast_api::broadcast_transaction_synchronous(const signed_transaction& trx)
@@ -189,7 +190,8 @@ namespace graphene { namespace app {
     void network_broadcast_api::broadcast_block( const signed_block& b )
     {
        _app.chain_database()->push_block(b);
-       _app.p2p_node()->broadcast( net::block_message( b ));
+       if( _app.p2p_node() != nullptr )
+          _app.p2p_node()->broadcast( net::block_message( b ));
     }
 
     void network_broadcast_api::broadcast_transaction_with_callback(confirmation_callback cb, const signed_transaction& trx)
@@ -197,7 +199,8 @@ namespace graphene { namespace app {
        trx.validate();
        _callbacks[trx.id()] = cb;
        _app.chain_database()->push_transaction(trx);
-       _app.p2p_node()->broadcast_transaction(trx);
+       if( _app.p2p_node() != nullptr )
+          _app.p2p_node()->broadcast_transaction(trx);
     }
 
     network_node_api::network_node_api( application& a ) : _app( a )