diff --git a/public/assets/js/map_mqtt.js b/public/assets/js/map_mqtt.js
index b197454e..8eb59272 100644
--- a/public/assets/js/map_mqtt.js
+++ b/public/assets/js/map_mqtt.js
@@ -96,14 +96,15 @@ class MapEventHandler {
 
                         // cheeck if rider is available / unavailable
                         // TODO: make url not hardcoded
+                        var dashmap = this.dashmap;
                         $.get('https://cmbdev.wildcard.cc/riders/' + chan_split[1] + '/available').done(function(data) {
                             console.log('rider availability - ' + data);
                             switch (data) {
                                 case 'available':
-                                    this.dashmap.putRiderAvailableMarker(chan_split[1], lat, lng);
+                                    dashmap.putRiderAvailableMarker(chan_split[1], lat, lng);
                                     break;
                                 case 'unavailable':
-                                    this.dashmap.putRiderActiveJOMarker(chan_split[1], lat, lng);
+                                    dashmap.putRiderActiveJOMarker(chan_split[1], lat, lng);
                                     break;
                             }
                         });