diff --git a/marker.nix b/marker.nix
index c9b64cb..1b5e344 100644
--- a/marker.nix
+++ b/marker.nix
@@ -22,6 +22,14 @@ in
         { location = "Switzerland"; }
         { location = "New York"; }
       ];
+
+      center = lib.mkIf
+        (lib.length config.map.markers >= 1)
+        null;
+
+      zoom = lib.mkIf
+        (lib.length config.map.markers >= 2)
+        null;
     };
 
     requestParams =