diff --git a/RELEASE.md b/RELEASE.md
index ab72f8d..33bec07 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1 +1,3 @@
 # Release 1.0.1
+
+* [Bug fix](https://github.com/Esri/maps-app-ios/issues/89) to dispatch UI updates to main thread.
diff --git a/maps-app-ios/UI/Map View/MapViewController+GPS/MapViewController+LocationDisplay.swift b/maps-app-ios/UI/Map View/MapViewController+GPS/MapViewController+LocationDisplay.swift
index 5edb282..999a9bc 100644
--- a/maps-app-ios/UI/Map View/MapViewController+GPS/MapViewController+LocationDisplay.swift	
+++ b/maps-app-ios/UI/Map View/MapViewController+GPS/MapViewController+LocationDisplay.swift	
@@ -22,9 +22,12 @@ extension MapViewController {
             }
         }
         
-        mapView.locationDisplay.autoPanModeChangedHandler = { newAutoPanMode in
+        mapView.locationDisplay.autoPanModeChangedHandler = { [weak self] newAutoPanMode in
             print("New autoPanMode: \(newAutoPanMode)")
-            self.gpsButton.setImage(self.mapView.locationDisplay.getImage(), for: .normal)
+            DispatchQueue.main.async {
+                guard let self = self else { return }
+                self.gpsButton.setImage(self.mapView.locationDisplay.getImage(), for: .normal)
+            }
         }
     }