diff --git a/src/GUI/Plater/Plate2D.cpp b/src/GUI/Plater/Plate2D.cpp
index 7ab85fc69..17b51638a 100644
--- a/src/GUI/Plater/Plate2D.cpp
+++ b/src/GUI/Plater/Plate2D.cpp
@@ -348,7 +348,7 @@ wxPoint Plate2D::unscaled_point_to_pixel(const wxPoint& in) {
     const auto& zero = this->bed_origin;
     return wxPoint(
             in.x * this->scaling_factor + zero.x, 
-            in.y * this->scaling_factor + (zero.y - canvas_height));
+            canvas_height - in.y * this->scaling_factor + (zero.y - canvas_height));
 }
 
 
diff --git a/src/GUI/Plater/Plate2D.hpp b/src/GUI/Plater/Plate2D.hpp
index 51f63943d..57212a613 100644
--- a/src/GUI/Plater/Plate2D.hpp
+++ b/src/GUI/Plater/Plate2D.hpp
@@ -120,7 +120,7 @@ private:
         const auto& zero {this->bed_origin};
         return Slic3r::Point(
             scale_(x - zero.x) / this->scaling_factor,
-            scale_(y - zero.y) / this->scaling_factor
+            scale_(zero.y - y) / this->scaling_factor
         );
     }
     Slic3r::Point point_to_model_units(const wxPoint& pt) {