From 506b15cd4fd96aae08d23dced672e3afb1ef2aed Mon Sep 17 00:00:00 2001
From: Willem Dantuma <willem.dantuma@dobs.nl>
Date: Tue, 19 May 2020 11:51:06 +0200
Subject: [PATCH] Fix null ref

---
 .../components/aol/gps-location/gps-location.component.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/projects/common-map/src/fm-map/components/aol/gps-location/gps-location.component.ts b/projects/common-map/src/fm-map/components/aol/gps-location/gps-location.component.ts
index 4c66784..2bb45fc 100644
--- a/projects/common-map/src/fm-map/components/aol/gps-location/gps-location.component.ts
+++ b/projects/common-map/src/fm-map/components/aol/gps-location/gps-location.component.ts
@@ -59,9 +59,11 @@ export class GpsLocation  implements OnInit,OnChanges{
   ngOnChanges(changes: SimpleChanges) {
     if (changes.position && this.instance) {
       var p = changes.position.currentValue as Position;
-      this.instance.setPosition(fromLonLat([p.coords.longitude, p.coords.latitude]));
-      this.locationTolerance = p.coords.accuracy;
-      this.recalcLocationTolerance();
+      if(p) {
+        this.instance.setPosition(fromLonLat([p.coords.longitude, p.coords.latitude]));
+        this.locationTolerance = p.coords.accuracy;
+        this.recalcLocationTolerance();  
+      }
     }
     if(changes.heading && this.instance) {
       this.rotate = "rotate(" +   Math.round(changes.heading.currentValue) + " 500 500)";