diff --git a/pdfium_unsafe_buffers_paths.txt b/pdfium_unsafe_buffers_paths.txt
index 0b8a606..a249d29 100644
--- a/pdfium_unsafe_buffers_paths.txt
+++ b/pdfium_unsafe_buffers_paths.txt
@@ -22,6 +22,6 @@
 -samples/
 -skia/
 -testing/
--third_party
+-third_party/
 -tools/
 -v8/