diff --git a/tools/sbl_patch.py b/tools/sbl_patch.py
index 6fc9730..5e85e9d 100644
--- a/tools/sbl_patch.py
+++ b/tools/sbl_patch.py
@@ -147,7 +147,7 @@ def main():
         (0x8016184, 'fdf790fc', 'c046c046'),
         (0x801B76C, '280b0508', '00000708'),
         (0x8006684, '01f807bd', '46c046c0'),
-        (0x8017AFC, 'e8bd87fc', '4af020bb'),
+        (0x8017AFC, 'bde8fc87', '4af020bb'),
     ]:
         assert hx(d, va) == exp, (hex(va), hx(d, va))
         set4(d, va, new)