diff --git a/lib/src/transform/copy_crop.dart b/lib/src/transform/copy_crop.dart
index 8c4290be..b89e7961 100644
--- a/lib/src/transform/copy_crop.dart
+++ b/lib/src/transform/copy_crop.dart
@@ -48,7 +48,7 @@ Image copyCrop(Image src,
       final c4x = x1 + rad - 1;
       final c4y = y2 - rad + 1;
 
-      final iter = src.getRange(x1, y1, width, height);
+      final iter = frame.getRange(x1, y1, width, height);
       while (iter.moveNext()) {
         final p = iter.current;
         final px = p.x;