diff --git a/src/components/map.ts b/src/components/map.ts
index b496476..8aec077 100644
--- a/src/components/map.ts
+++ b/src/components/map.ts
@@ -440,8 +440,8 @@ export class MapComponent implements OnChanges, OnInit, OnDestroy {
      */
     private InitMapInstance(el: HTMLElement) {
         this._zone.runOutsideAngular(() => {
-            if (this._options.center == null) { this._options.center = { latitude: this._latitude, longitude: this._longitude }; }
-            if (this._options.zoom == null) { this._options.zoom = this._zoom; }
+            if (this._options.center === null) { this._options.center = { latitude: this._latitude, longitude: this._longitude }; }
+            if (this._options.zoom === null) { this._options.zoom = this._zoom; }
             if (this._options.mapTypeId == null) { this._options.mapTypeId = MapTypeId.hybrid; }
             if (this._box != null) { this._options.bounds = this._box; }
             this._mapPromise = this._mapService.CreateMap(el, this._options);