diff --git a/pixelocr/page.py b/pixelocr/page.py
index a90674e..6064fe1 100644
--- a/pixelocr/page.py
+++ b/pixelocr/page.py
@@ -179,7 +179,7 @@ class Line(PageObject):
 
 class Glyph(PageObject):
     DIACRITIC_WINDOW_LEFT = 3
-    DIACRITIC_WINDOW_RIGHT = 5
+    DIACRITIC_WINDOW_RIGHT = 3
     DIACRITIC_MIN_ELEVATION = 5
 
     def __init__(self, image, elevation):