diff --git a/src/hosts/main.py b/src/hosts/main.py
index 19e1aa1..c685d7a 100644
--- a/src/hosts/main.py
+++ b/src/hosts/main.py
@@ -226,6 +226,12 @@ class HostsManagerApp(App):
             self.selected_entry_index = event.list_view.index or 0
             self.update_entry_details()
     
+    def on_list_view_highlighted(self, event: ListView.Highlighted) -> None:
+        """Handle entry highlighting (cursor movement) in the left pane."""
+        if event.list_view.id == "entries-list":
+            self.selected_entry_index = event.list_view.index or 0
+            self.update_entry_details()
+    
     def action_reload(self) -> None:
         """Reload the hosts file."""
         self.load_hosts_file()