diff --git a/.gitattributes b/.gitattributes
index 5a283db5fe8..23d8a9638df 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,5 @@
 * text=auto eol=lf
+tests/blink_perf_tests/** linguist-vendored
 tests/wpt/** linguist-vendored
 support/openharmony/**/*.ets linguist-language=ts