diff --git a/maxscale-system-test/mariadb_nodes.h b/maxscale-system-test/mariadb_nodes.h
index 8df54b373..1cf00c1ae 100644
--- a/maxscale-system-test/mariadb_nodes.h
+++ b/maxscale-system-test/mariadb_nodes.h
@@ -259,7 +259,7 @@ public:
      * @param param command line parameters for DB server start command
      * @return 0 if success
      */
-    int start_node(int node, const char* param);
+    int start_node(int node, const char* param = "");
 
     /**
      * @brief Check if all slaves have "Slave_IO_Running" set to "Yes" and master has N-1 slaves
diff --git a/maxscale-system-test/mxs1476.cpp b/maxscale-system-test/mxs1476.cpp
index 8dc1e367d..f42cf3158 100644
--- a/maxscale-system-test/mxs1476.cpp
+++ b/maxscale-system-test/mxs1476.cpp
@@ -14,24 +14,24 @@ void do_test(TestConnections& test, int master, int slave)
     test.try_query(test.maxscales->conn_rwsplit[0], "INSERT INTO test.t1 VALUES (1)");
 
     test.tprintf("Stop a slave node and perform an insert");
-    test.galera->stop_node(slave);
+    test.galera->block_node(slave);
     sleep(5);
     test.try_query(test.maxscales->conn_rwsplit[0], "INSERT INTO test.t1 VALUES (1)");
 
     test.tprintf("Start the slave node and perform another insert");
-    test.galera->start_node(slave, (char*)"");
+    test.galera->unblock_node(slave);
     sleep(5);
     test.try_query(test.maxscales->conn_rwsplit[0], "INSERT INTO test.t1 VALUES (1)");
     test.maxscales->close_maxscale_connections(0);
 
     test.tprintf("Stop the master node and perform an insert");
-    test.galera->stop_node(master);
+    test.galera->block_node(master);
     sleep(5);
     test.maxscales->connect_maxscale(0);
     test.try_query(test.maxscales->conn_rwsplit[0], "INSERT INTO test.t1 VALUES (1)");
 
     test.tprintf("Start the master node and perform another insert (expecting failure)");
-    test.galera->start_node(master, (char*)"");
+    test.galera->unblock_node(master);
     sleep(5);
     test.add_result(execute_query_silent(test.maxscales->conn_rwsplit[0], "INSERT INTO test.t1 VALUES (1)") == 0,
                     "Query should fail");
@@ -57,8 +57,8 @@ int main(int argc, char** argv)
 
     do_test(test, 0, 1);
 
-    test.galera->start_node(2, (char *) "");
-    test.galera->start_node(3, (char *) "");
+    test.galera->start_node(2);
+    test.galera->start_node(3);
     test.galera->fix_replication();
     return test.global_result;
 }