diff --git a/chess/syzygy.py b/chess/syzygy.py
index 2a1d716a8..b41fb583f 100644
--- a/chess/syzygy.py
+++ b/chess/syzygy.py
@@ -88,7 +88,7 @@ def flipdiag(square: chess.Square) -> chess.Square:
 ]
 
 PTWIST = [
-     0, 0,   0,  0,  0,  0,  0,  0,
+     0,  0,  0,  0,  0,  0,  0,  0,
     47, 35, 23, 11, 10, 22, 34, 46,
     45, 33, 21,  9,  8, 20, 32, 44,
     43, 31, 19,  7,  6, 18, 30, 42,