diff --git a/pixelocr/page.py b/pixelocr/page.py
index 89e99b3..5dcc198 100644
--- a/pixelocr/page.py
+++ b/pixelocr/page.py
@@ -85,7 +85,7 @@ class PageObject(object):
 
         return self.image.fits(left, top, right, bottom)
 
-    def _optical_correction(self, other, T=False):
+    def _optical_correction(self, other, max_correction=1000, T=False):
         image1 = self.image.T if T else self.image
         image2 = other.image.T if T else other.image
         base = min(image1.top, image2.top)
@@ -101,7 +101,8 @@ class PageObject(object):
         margin1[image1.top - base: image1.bottom - base] = np.fliplr(bitmap1).argmax(axis=1)
         margin2[image2.top - base: image2.bottom - base] = bitmap2.argmax(axis=1)
         margins = margin1 + margin2
-        return margins.min()
+        correction = margins.min()
+        return min(correction, max_correction)
 
 
 class Page(PageObject):
@@ -241,7 +242,7 @@ class Glyph(PageObject):
 
     def optical_distance(self, other):
         distance = other.left - self.right
-        return distance + self._optical_correction(other)
+        return distance + self._optical_correction(other, max_correction=3)
 
     def detect_diacritic(self, glyph):
         """Check if the given glyph can be our diacritic and return a numeric score."""