diff --git a/src/diff-parser.js b/src/diff-parser.js
index 57892cb..6033623 100644
--- a/src/diff-parser.js
+++ b/src/diff-parser.js
@@ -191,7 +191,7 @@
     }
 
     var diffLines =
-      diffInput.replace(/\\ No newline at end of file/g, '')
+      diffInput.data.replace(/\\ No newline at end of file/g, '')
         .replace(/\r\n?/g, '\n')
         .split('\n');