1 files changed, 1 insertions, 1 deletions
diff --git a/src/cpp/client/secure_credentials.h b/src/cpp/client/secure_credentials.h
index b241761a7c..b8fe075dc7 100644
--- a/src/cpp/client/secure_credentials.h
+++ b/src/cpp/client/secure_credentials.h
@@ -80,7 +80,7 @@ class SecureCallCredentials GRPC_FINAL : public CallCredentials {
 class MetadataCredentialsPluginWrapper GRPC_FINAL {
  public:
   static void Destroy(void* wrapper);
-  static void GetMetadata(void* wrapper, const char* service_url,
+  static void GetMetadata(void* wrapper, grpc_auth_metadata_context context,
                           grpc_credentials_plugin_metadata_cb cb,
                           void* user_data);