diff --git a/src/app/tools/point_shapes.h b/src/app/tools/point_shapes.h
index d69a1ac46..d66b60dfe 100644
--- a/src/app/tools/point_shapes.h
+++ b/src/app/tools/point_shapes.h
@@ -49,7 +49,7 @@ public:
 
     for (auto scanline : *m_compressedImage) {
       int u = x+scanline.x;
-      doInkHline(u, y+scanline.y, u+scanline.w, loop);
+      doInkHline(u, y+scanline.y, u+scanline.w-1, loop);
     }
   }