diff --git a/third_party/blink/tools/BUILD.gn b/third_party/blink/tools/BUILD.gn
index d3004ee7b..ef293e3bf 100644
--- a/third_party/blink/tools/BUILD.gn
+++ b/third_party/blink/tools/BUILD.gn
@@ -13,7 +13,7 @@ action("build_wpt_metadata") {
     "../../third_party/blink/web_tests/WPTOverrideExpectations",
   ]
   outputs = [
-    "$root_out_dir/wpt_expectations_metadata/",
+    "$root_out_dir/wpt_expectations_metadata",
   ]
   data = [
     # Include the blinkpy tools to access expectations data