diff --git a/public/assets/js/map_mqtt.js b/public/assets/js/map_mqtt.js
index 40daf495..1a35abc3 100644
--- a/public/assets/js/map_mqtt.js
+++ b/public/assets/js/map_mqtt.js
@@ -132,10 +132,12 @@ class MapEventHandler {
                 console.log(this.dashmap.rider_availability);
                 var display_marker = true;
                 if (this.dashmap.rider_availability.hasOwnProperty(chan_split[1])) {
-                    if (!this.dashmap.rider_availability) {
+                    if (!this.dashmap.rider_availability[chan_split[1]]) {
                         console.log('NOT displaying marker for inactive rider');
                         display_marker = false;
                     }
+                } else {
+                    console.log('rider not in availability check');
                 }
 
                 // TODO: cache rider availability status and check before displaying icon