diff --git a/src/main/java/com/microsoft/graph/concurrency/ChunkedUploadRequest.java b/src/main/java/com/microsoft/graph/concurrency/ChunkedUploadRequest.java
index 1ac59126c..7b9d6a10a 100644
--- a/src/main/java/com/microsoft/graph/concurrency/ChunkedUploadRequest.java
+++ b/src/main/java/com/microsoft/graph/concurrency/ChunkedUploadRequest.java
@@ -104,6 +104,6 @@ public ChunkedUploadResult<UploadType> upload(
             return result;
         } else
             return new ChunkedUploadResult<UploadType>(
-                new ClientException("Upload session failed.", null));
+                new ClientException("Upload session failed.", result == null ? null : result.getError()));
     }
 }