diff --git a/blame.go b/blame.go
index d11da9d..04e2962 100644
--- a/blame.go
+++ b/blame.go
@@ -48,6 +48,7 @@ const (
 	BlameTrackCopiesAnyCommitCopies  BlameOptionsFlag = C.GIT_BLAME_TRACK_COPIES_ANY_COMMIT_COPIES
 	BlameFirstParent                 BlameOptionsFlag = C.GIT_BLAME_FIRST_PARENT
 	BlameUseMailmap                  BlameOptionsFlag = C.GIT_BLAME_USE_MAILMAP
+	BlameIgnoreWhitespace            BlameOptionsFlag = C.GIT_BLAME_IGNORE_WHITESPACE
 )
 
 func (v *Repository) BlameFile(path string, opts *BlameOptions) (*Blame, error) {