diff --git a/src/app/command_driver.rs b/src/app/command_driver.rs
index a56bbc601..605f7081d 100644
--- a/src/app/command_driver.rs
+++ b/src/app/command_driver.rs
@@ -396,6 +396,10 @@ impl OpenCADStudio {
                         &mut self.tabs[i].scene,
                         &path,
                     );
+                    // Resolving the xref merged its layer / linetype tables
+                    // into the document — mirror them into the Layers panel
+                    // and ribbon dropdowns now, not on the next reopen (#407).
+                    self.refresh_layer_panel();
                 }
                 // Record where this draw ended so ARC_CONT can continue from it
                 // (before `entity` is moved into commit_entity).
diff --git a/src/app/commands/blocks.rs b/src/app/commands/blocks.rs
index f7e871ac9..0abc2e227 100644
--- a/src/app/commands/blocks.rs
+++ b/src/app/commands/blocks.rs
@@ -540,6 +540,10 @@ impl OpenCADStudio {
                         self.tabs[i].scene.populate_hatches_from_document();
                         self.tabs[i].scene.populate_images_from_document();
                         self.tabs[i].scene.populate_meshes_from_document();
+                        // The reload may have merged new xref layers /
+                        // linetypes — mirror them into the Layers panel and
+                        // ribbon dropdowns (#407).
+                        self.refresh_layer_panel();
                     }
                 } else {
                     self.command_line