diff --git a/undistort_field.py b/undistort_field.py
index 54afc1d..a9de6a8 100644
--- a/undistort_field.py
+++ b/undistort_field.py
@@ -129,8 +129,8 @@ def clean_field_70(image):
 
 	x0 = 33
 	x1 = 0
-	x2 = 1366
-	x3 = 1394
+	x2 = 1362
+	x3 = max(img.size[0], 1394)
 
 	l10 = ((x0, 520), (x1, 503))
 	r10 = ((x2, 520), (x3, 505))
@@ -182,8 +182,8 @@ def clean_field_50(image):
 
 	x0 = 33
 	x1 = 0
-	x2 = 1333
-	x3 = 1362
+	x2 = 1331
+	x3 = max(img.size[0], 1362)
 
 	l10 = ((x0, 476), (x1, 455))
 	r10 = ((x2, 476), (x3, 457))