diff --git a/plugin/chess/draw.py b/plugin/chess/draw.py
index 0bf6e9d..6adfdb9 100644
--- a/plugin/chess/draw.py
+++ b/plugin/chess/draw.py
@@ -113,7 +113,7 @@ class Draw:
             sqy = 7 - sqy
         else:
             sqx = 7 - sqx
-        for i in range(7):
+        for i in range(8):
             self._invert_pixel(sqx * 8 + i, sqy * 8)
             self._invert_pixel(sqx * 8 + i, sqy * 8 + 7)
             self._invert_pixel(sqx * 8, sqy * 8 + i)