diff --git a/sdk/messaging/azservicebus/internal/namespace_test.go b/sdk/messaging/azservicebus/internal/namespace_test.go
index c7444e33a22e..0956e4b744a7 100644
--- a/sdk/messaging/azservicebus/internal/namespace_test.go
+++ b/sdk/messaging/azservicebus/internal/namespace_test.go
@@ -69,7 +69,7 @@ func (r *fakeRetrier) CurrentTry() int {
 }
 
 type fakeTokenCredential struct {
-	azcore.Credential
+	azcore.TokenCredential
 	expires time.Time
 }