diff --git a/sdk/messaging/azservicebus/internal/namespace_test.go b/sdk/messaging/azservicebus/internal/namespace_test.go
index 67fb453a4c35..15c43d59598a 100644
--- a/sdk/messaging/azservicebus/internal/namespace_test.go
+++ b/sdk/messaging/azservicebus/internal/namespace_test.go
@@ -97,7 +97,7 @@ func (r *fakeRetrier) CurrentTry() int {
 }
 
 type fakeTokenCredential struct {
-	azcore.Credential
+	azcore.TokenCredential
 	expires time.Time
 }