diff --git a/python/port/mod/matplotlib/pyplot/plot_view.cpp b/python/port/mod/matplotlib/pyplot/plot_view.cpp
index f56b918b1..d55034be5 100644
--- a/python/port/mod/matplotlib/pyplot/plot_view.cpp
+++ b/python/port/mod/matplotlib/pyplot/plot_view.cpp
@@ -52,11 +52,12 @@ void PlotView::traceSegment(KDContext * ctx, KDRect r, PlotStore::Segment segmen
   }
 }
 
+static inline KDCoordinate maxKDCoordinate(KDCoordinate x, KDCoordinate y) { return x > y ? x : y; }
 void PlotView::traceRect(KDContext * ctx, KDRect r, PlotStore::Rect rect) const {
   KDRect pixelRect(
     floatToPixel(Axis::Horizontal, rect.x()),
     floatToPixel(Axis::Vertical, rect.y()),
-    rect.width() / pixelWidth(),
+    maxKDCoordinate(rect.width() / pixelWidth(), 1), // Rectangle should at least be visible
     rect.height() / pixelHeight()
   );
   ctx->fillRect(pixelRect, rect.color());