diff --git a/keyring/backends/kwallet.py b/keyring/backends/kwallet.py
index 6326971a..891fb189 100644
--- a/keyring/backends/kwallet.py
+++ b/keyring/backends/kwallet.py
@@ -123,7 +123,7 @@ def get_credential(self, service, username):
         Otherwise, it will return the first username and password combo that it finds.
         """
         if username is not None:
-            return self.get_password(service, username)
+            return SimpleCredential(str(username), self.get_password(service, username))
         if not self.connected(service):
             # the user pressed "cancel" when prompted to unlock their keyring.
             raise KeyringLocked("Failed to unlock the keyring!")