diff --git a/openbr/plugins/regions.cpp b/openbr/plugins/regions.cpp
index 317eb54..9e9e92a 100644
--- a/openbr/plugins/regions.cpp
+++ b/openbr/plugins/regions.cpp
@@ -345,9 +345,12 @@ class RectFromPointsTransform : public UntrainableTransform
 
         dst.file.setPoints(points);
 
-        if (crop) dst.m() = src.m()(Rect(std::max(0.0, minX - deltaWidth/2.0), std::max(0.0, minY - deltaHeight/2.0), std::min((double)src.m().cols, width), std::min((double)src.m().rows, height)));
+        const int x = std::max(0.0, minX - deltaWidth/2.0);
+        const int y = std::max(0.0, minY - deltaHeight/2.0);
+
+        if (crop) dst.m() = src.m()(Rect(x, y, std::min((double)src.m().cols-x, width), std::min((double)src.m().rows-y, height)));
         else {
-            dst.file.appendRect(QRectF(std::max(0.0, minX - deltaWidth/2.0), std::max(0.0, minY - deltaHeight/2.0), std::min((double)src.m().cols, width), std::min((double)src.m().rows, height)));
+            dst.file.appendRect(QRectF(x, y, std::min((double)src.m().cols-x, width), std::min((double)src.m().rows-y, height)));
             dst.m() = src.m();
         }
     }