diff --git a/gitdiff/testdata/apply/text_fragment_error.src b/gitdiff/testdata/apply/text_fragment_error.src
--- a/gitdiff/testdata/apply/text_fragment_error.src
+++ b/gitdiff/testdata/apply/text_fragment_error.src
@@ -9,7 +9,7 @@ line 8
 line 9
 line 10
 line 11
-line 12
+new line a
 line 13
 line 14
 line 15