diff --git a/flutter_map/lib/src/map/map.dart b/flutter_map/lib/src/map/map.dart
index 3a162d763..5b1482f11 100644
--- a/flutter_map/lib/src/map/map.dart
+++ b/flutter_map/lib/src/map/map.dart
@@ -52,6 +52,7 @@ class MapState {
   Point get size => _size;
   set size(Point s) {
     _size = s;
+    _pixelOrigin = getNewPixelOrigin(this._lastCenter);
     if (!_initialized) {
       _init();
       _initialized = true;