diff --git a/packages/flame/lib/src/geometry/polygon_component.dart b/packages/flame/lib/src/geometry/polygon_component.dart
index 2ced1a334c7..db9b03e6333 100644
--- a/packages/flame/lib/src/geometry/polygon_component.dart
+++ b/packages/flame/lib/src/geometry/polygon_component.dart
@@ -231,9 +231,8 @@ class PolygonComponent extends ShapeComponent {
     }
     for (var i = 0; i < _vertices.length; i++) {
       final edge = getEdge(i, vertices: vertices);
-      final isOutside = (edge.to.x - edge.from.x) *
-                  (point.y - edge.from.y + _topLeft.y) -
-              (point.x - edge.from.x + _topLeft.x) * (edge.to.y - edge.from.y) >
+      final isOutside = (edge.to.x - edge.from.x) * (point.y - edge.from.y) -
+              (point.x - edge.from.x) * (edge.to.y - edge.from.y) >
           0;
       if (isOutside) {
         return false;
diff --git a/packages/flame/test/components/shape_component_test.dart b/packages/flame/test/components/shape_component_test.dart
index fa3ab417297..e12e1338b31 100644
--- a/packages/flame/test/components/shape_component_test.dart
+++ b/packages/flame/test/components/shape_component_test.dart
@@ -43,6 +43,19 @@ void main() {
       );
     });
 
+    test('polygon contains point in local', () {
+      final polygon = PolygonComponent(
+        [
+          Vector2(0.5, 0.5),
+          Vector2(0.5, 1.5),
+          Vector2(1.5, 1.5),
+          Vector2(1.5, 0.5),
+        ],
+      );
+      expect(polygon.containsLocalPoint(Vector2(0.25, 0.25)), isFalse);
+      expect(polygon.containsLocalPoint(Vector2(0.75, 0.75)), isTrue);
+    });
+
     test('rotated circle does not contain point', () {
       final component = CircleComponent(
         radius: 1.0,