diff --git a/lib/src/calculators/calculate_on_crop_params.dart b/lib/src/calculators/calculate_on_crop_params.dart
index 462b258..d1cac1e 100644
--- a/lib/src/calculators/calculate_on_crop_params.dart
+++ b/lib/src/calculators/calculate_on_crop_params.dart
@@ -134,7 +134,7 @@ OnCropParams caclulateOnCropParams({
     cropSizeWidth = cropSizeMax;
     cropSizeHeight = cropSizeWidth / aspectRatio;
   } else {
-    cropSizeHeight = cropSizeMax;
+    cropSizeHeight = cropSizeMax / aspectRatio;
     cropSizeWidth = cropSizeHeight * aspectRatio;
   }
   return OnCropParams(