diff --git a/page-pins.php b/page-pins.php
index 4983bad..f5c0bb5 100644
--- a/page-pins.php
+++ b/page-pins.php
@@ -124,8 +124,12 @@
     }
 
     function filterByTravelerClick(){
-        var val = document.getElementById('travelers-select').value;
-        filterMarkersByTravelers([val]);
+        var options = document.getElementById('travelers-select').selectedOptions;
+        var travelers = [];
+        for(var i=0; i<options.length; i++){
+            travelers.push(options[i].value);
+        }
+        filterMarkersByTravelers(travelers);
     }
 
     function filterMarkersByTravelers(travelers){