diff --git a/src/backends/meta-monitor-manager-private.h b/src/backends/meta-monitor-manager-private.h
index f36a7a5d7..d57645080 100644
--- a/src/backends/meta-monitor-manager-private.h
+++ b/src/backends/meta-monitor-manager-private.h
@@ -368,6 +368,9 @@ int                 meta_monitor_manager_get_num_logical_monitors (MetaMonitorMa
 MetaLogicalMonitor *meta_monitor_manager_get_logical_monitors (MetaMonitorManager *manager,
                                                                unsigned int       *n_logical_monitors);
 
+MetaLogicalMonitor *meta_monitor_manager_get_logical_monitor_from_number (MetaMonitorManager *manager,
+                                                                          int                 number);
+
 MetaLogicalMonitor *meta_monitor_manager_get_primary_logical_monitor (MetaMonitorManager *manager);
 
 MetaOutput         *meta_monitor_manager_get_outputs       (MetaMonitorManager *manager,
diff --git a/src/backends/meta-monitor-manager.c b/src/backends/meta-monitor-manager.c
index e81eb7e6e..d2cafb1c9 100644
--- a/src/backends/meta-monitor-manager.c
+++ b/src/backends/meta-monitor-manager.c
@@ -1314,6 +1314,15 @@ meta_monitor_manager_get_logical_monitors (MetaMonitorManager *manager,
   return manager->logical_monitors;
 }
 
+MetaLogicalMonitor *
+meta_monitor_manager_get_logical_monitor_from_number (MetaMonitorManager *manager,
+                                                      int                 number)
+{
+  g_assert (number < (int) manager->n_logical_monitors);
+
+  return &manager->logical_monitors[number];
+}
+
 MetaLogicalMonitor *
 meta_monitor_manager_get_primary_logical_monitor (MetaMonitorManager *manager)
 {