diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 19078c1b842..8040cb22855 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -16,3 +16,5 @@ cf2dff2b1e3fa55fa5415d524200070d0d7aacfe
 b39a1d6f1a30ba29f25d7141038b9a5bf0126e36
 # reorder fluent message files
 f97fddab91fbf290ea5b691fe355d6f915220b6e
+# format let-else
+cc907f80b95c6ec530c5ee1b05b044a468f07eca