diff --git a/test/aprsme_web/live/map_live/index_test.exs b/test/aprsme_web/live/map_live/index_test.exs
index 14a1c7c..b97dc5a 100644
--- a/test/aprsme_web/live/map_live/index_test.exs
+++ b/test/aprsme_web/live/map_live/index_test.exs
@@ -788,6 +788,23 @@ defmodule AprsmeWeb.MapLive.IndexTest do
       assert Process.alive?(view.pid)
     end
 
+    test "invalid bounds (north <= south) is rejected silently", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+
+      # north <= south → invalid; the update should be silently skipped.
+      bounds_params = %{
+        "bounds" => %{
+          "north" => 30.0,
+          "south" => 40.0,
+          "east" => -95.0,
+          "west" => -97.0
+        }
+      }
+
+      assert render_hook(view, "bounds_changed", bounds_params)
+      assert Process.alive?(view.pid)
+    end
+
     test "handles load_rf_path_station_packets with empty list", %{conn: conn} do
       {:ok, view, _html} = live(conn, "/", on_error: :warn)
       send(view.pid, {:load_rf_path_station_packets, []})