diff --git a/python/port/mod/matplotlib/plot_store.cpp b/python/port/mod/matplotlib/plot_store.cpp
index 633921eae..e13d6b511 100644
--- a/python/port/mod/matplotlib/plot_store.cpp
+++ b/python/port/mod/matplotlib/plot_store.cpp
@@ -183,7 +183,7 @@ void PlotStore::initRange() {
       float x = rectangle.x();
       float y = rectangle.y();
       updateRange(&xMin, &xMax, &yMin, &yMax, x, y);
-      updateRange(&xMin, &xMax, &yMin, &yMax, x + rectangle.width(), y + rectangle.height());
+      updateRange(&xMin, &xMax, &yMin, &yMax, x + rectangle.width(), y - rectangle.height());
     }
     checkPositiveRangeAndAddMargin(&xMin, &xMax);
     checkPositiveRangeAndAddMargin(&yMin, &yMax);