diff --git a/src/backends/meta-monitor-manager-private.h b/src/backends/meta-monitor-manager-private.h
index 242fc2353..2d45fe777 100644
--- a/src/backends/meta-monitor-manager-private.h
+++ b/src/backends/meta-monitor-manager-private.h
@@ -328,6 +328,7 @@ void                meta_monitor_manager_confirm_configuration (MetaMonitorManag
 
 gboolean           meta_monitor_manager_has_hotplug_mode_update (MetaMonitorManager *manager);
 
+META_EXPORT_TEST
 void               meta_monitor_manager_read_current_state (MetaMonitorManager *manager);
 
 META_EXPORT_TEST
@@ -435,3 +436,9 @@ MetaViewportInfo * meta_monitor_manager_get_viewports (MetaMonitorManager *manag
 GList * meta_monitor_manager_get_virtual_monitors (MetaMonitorManager *manager);
 
 void meta_monitor_manager_maybe_emit_privacy_screen_change (MetaMonitorManager *manager);
+
+META_EXPORT_TEST
+gboolean meta_monitor_manager_apply_monitors_config (MetaMonitorManager        *manager,
+                                                     MetaMonitorsConfig        *config,
+                                                     MetaMonitorsConfigMethod   method,
+                                                     GError                   **error);
diff --git a/src/backends/meta-monitor-manager.c b/src/backends/meta-monitor-manager.c
index 3b836f327..b85130fa3 100644
--- a/src/backends/meta-monitor-manager.c
+++ b/src/backends/meta-monitor-manager.c
@@ -725,7 +725,7 @@ meta_monitor_manager_ensure_initial_config (MetaMonitorManager *manager)
   META_MONITOR_MANAGER_GET_CLASS (manager)->ensure_initial_config (manager);
 }
 
-static gboolean
+gboolean
 meta_monitor_manager_apply_monitors_config (MetaMonitorManager      *manager,
                                             MetaMonitorsConfig      *config,
                                             MetaMonitorsConfigMethod method,
diff --git a/src/tests/native-kms-render.c b/src/tests/native-kms-render.c
index 31e74a9a4..90ea9b581 100644
--- a/src/tests/native-kms-render.c
+++ b/src/tests/native-kms-render.c
@@ -472,6 +472,34 @@ meta_test_kms_render_client_scanout_fallback (void)
   meta_wayland_test_client_finish (wayland_test_client);
 }
 
+static void
+meta_test_kms_render_empty_config (void)
+{
+  MetaBackend *backend = meta_context_get_backend (test_context);
+  MetaMonitorManager *monitor_manager = meta_backend_get_monitor_manager (backend);
+  GList *logical_monitors;
+  GError *error = NULL;
+
+  logical_monitors = meta_monitor_manager_get_logical_monitors (monitor_manager);
+  g_assert_cmpuint (g_list_length (logical_monitors), ==, 1);
+
+  meta_monitor_manager_read_current_state (monitor_manager);
+  meta_monitor_manager_apply_monitors_config (monitor_manager,
+                                              NULL,
+                                              META_MONITORS_CONFIG_METHOD_TEMPORARY,
+                                              &error);
+  g_assert_no_error (error);
+
+  logical_monitors = meta_monitor_manager_get_logical_monitors (monitor_manager);
+  g_assert_cmpuint (g_list_length (logical_monitors), ==, 0);
+
+  meta_monitor_manager_read_current_state (monitor_manager);
+  meta_monitor_manager_ensure_configured (monitor_manager);
+
+  logical_monitors = meta_monitor_manager_get_logical_monitors (monitor_manager);
+  g_assert_cmpuint (g_list_length (logical_monitors), ==, 1);
+}
+
 static void
 init_tests (void)
 {
@@ -481,6 +509,8 @@ init_tests (void)
                    meta_test_kms_render_client_scanout);
   g_test_add_func ("/backends/native/kms/render/client-scanout-fallabck",
                    meta_test_kms_render_client_scanout_fallback);
+  g_test_add_func ("/backends/native/kms/render/empty-config",
+                   meta_test_kms_render_empty_config);
 }
 
 int