diff --git a/gitdiff/testdata/apply/text_fragment_change_start.src b/gitdiff/testdata/apply/text_fragment_change_start.src
--- a/gitdiff/testdata/apply/text_fragment_change_start.src
+++ b/gitdiff/testdata/apply/text_fragment_change_start.src
@@ -1,4 +1,4 @@
-line 1
+new line a
 line 2
 line 3
 line 4
