diff --git a/google-cloud-clients/google-cloud-contrib/google-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemProvider.java b/google-cloud-clients/google-cloud-contrib/google-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemProvider.java
index b28e833763c7..26dc440480a4 100644
--- a/google-cloud-clients/google-cloud-contrib/google-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemProvider.java
+++ b/google-cloud-clients/google-cloud-contrib/google-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemProvider.java
@@ -172,7 +172,12 @@ public static void setDefaultCloudStorageConfiguration(@Nullable CloudStorageCon
    * @see CloudStorageFileSystem#forBucket(String)
    */
   public CloudStorageFileSystemProvider() {
-    this("", futureStorageOptions);
+    this(
+        CloudStorageFileSystem
+            .getDefaultCloudStorageConfiguration()
+            .userProject(),
+        futureStorageOptions
+    );
   }
 
   /**