diff --git a/akka-http-core/src/main/scala/akka/http/scaladsl/model/headers/HttpCredentials.scala b/akka-http-core/src/main/scala/akka/http/scaladsl/model/headers/HttpCredentials.scala
index 5e9146f1a1..3f7a4fe59b 100644
--- a/akka-http-core/src/main/scala/akka/http/scaladsl/model/headers/HttpCredentials.scala
+++ b/akka-http-core/src/main/scala/akka/http/scaladsl/model/headers/HttpCredentials.scala
@@ -27,9 +27,9 @@ final case class BasicHttpCredentials(username: String, password: String) extend
   }
   def render[R <: Rendering](r: R): r.type = r ~~ "Basic " ~~ cookie
 
-  def scheme: String = "Basic"
-  def token = cookie.toString
-  def params = Map.empty
+  override def scheme: String = "Basic"
+  override def token: String = String.valueOf(cookie)
+  override def params: Map[String, String] = Map.empty
 }
 
 object BasicHttpCredentials {
@@ -46,8 +46,8 @@ object BasicHttpCredentials {
 final case class OAuth2BearerToken(token: String) extends jm.headers.OAuth2BearerToken {
   def render[R <: Rendering](r: R): r.type = r ~~ "Bearer " ~~ token
 
-  def scheme: String = "Bearer"
-  def params: Map[String, String] = Map.empty
+  override def scheme: String = "Bearer"
+  override def params: Map[String, String] = Map.empty
 }
 
 final case class GenericHttpCredentials(scheme: String, token: String,
diff --git a/akka-http-core/src/test/scala/akka/http/impl/model/parser/HttpHeaderSpec.scala b/akka-http-core/src/test/scala/akka/http/impl/model/parser/HttpHeaderSpec.scala
index 055899fcd7..11cb1d735f 100644
--- a/akka-http-core/src/test/scala/akka/http/impl/model/parser/HttpHeaderSpec.scala
+++ b/akka-http-core/src/test/scala/akka/http/impl/model/parser/HttpHeaderSpec.scala
@@ -128,6 +128,7 @@ class HttpHeaderSpec extends FreeSpec with Matchers {
     }
 
     "Authorization" in {
+      BasicHttpCredentials("Aladdin", "open sesame").token shouldEqual "QWxhZGRpbjpvcGVuIHNlc2FtZQ=="
       "Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==" =!=
         Authorization(BasicHttpCredentials("Aladdin", "open sesame"))
       "Authorization: bAsIc QWxhZGRpbjpvcGVuIHNlc2FtZQ==" =!=