diff --git a/html/planeObject.js b/html/planeObject.js
index 0a8e6d0..b701347 100644
--- a/html/planeObject.js
+++ b/html/planeObject.js
@@ -1332,7 +1332,7 @@ PlaneObject.prototype.updatePositionData = function(now, last, data, init) {
     if (this.position && SitePosition) {
         if (pTracks && this.sitedist) {
             this.sitedist = Math.max(ol.sphere.getDistance(SitePosition, this.position), this.sitedist);
-        } else if (!init) {
+        } else if (!init || pTracks) {
             this.sitedist = ol.sphere.getDistance(SitePosition, this.position);
         }
     }