diff --git a/gcloud-java-core/src/main/java/com/google/gcloud/AuthCredentials.java b/gcloud-java-core/src/main/java/com/google/gcloud/AuthCredentials.java
index 73c66279ea53..800fcf340689 100644
--- a/gcloud-java-core/src/main/java/com/google/gcloud/AuthCredentials.java
+++ b/gcloud-java-core/src/main/java/com/google/gcloud/AuthCredentials.java
@@ -252,7 +252,7 @@ public boolean equals(Object obj) {
     @Override
     protected HttpRequestInitializer httpRequestInitializer(HttpTransport transport,
         Set<String> scopes) {
-      return new HttpCredentialsAdapter(googleCredentials);
+      return new HttpCredentialsAdapter(googleCredentials.createScoped(scopes));
     }
 
     @Override