1 files changed, 1 insertions, 1 deletions
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCRtpCapabilities-helper.js b/tests/wpt/web-platform-tests/webrtc/RTCRtpCapabilities-helper.js
index 8617e7f4f97..72f544059ff 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCRtpCapabilities-helper.js
+++ b/tests/wpt/web-platform-tests/webrtc/RTCRtpCapabilities-helper.js
@@ -48,5 +48,5 @@ function validateCodecCapability(codec) {
 }
 
 function validateHeaderExtensionCapability(headerExt) {
-  assert_optional_string_field(uri);
+  assert_optional_string_field(headerExt, 'uri');
 }