diff --git a/src/marker-utils.ts b/src/marker-utils.ts
index a28f3b5b..cacc8708 100644
--- a/src/marker-utils.ts
+++ b/src/marker-utils.ts
@@ -58,7 +58,7 @@ export class MarkerUtils {
           return marker.position;
         }
         // since we can't cast to LatLngLiteral for reasons =(
-        if (marker.position.lat && marker.position.lng) {
+        if (marker.position.lat != null && marker.position.lng != null) {
           return new google.maps.LatLng(
             marker.position.lat,
             marker.position.lng