diff --git a/MyTimeline.py b/MyTimeline.py
index 5e66938..bd32c48 100644
--- a/MyTimeline.py
+++ b/MyTimeline.py
@@ -187,6 +187,12 @@ class MyTimelineView(NavigationView):
         self.scrolledwindow.add(self.drawing_area)
         return self.scrolledwindow
 
+    def build_tree(self):
+        """Rebuilds the current display. Called when the view becomes visible."""
+        active_handle = self.get_active()
+        if active_handle:
+            self.goto_handle(active_handle)
+
     def goto_handle(self, handle):
         """Called when the active family changes."""
         if handle == self.active_family_handle: