diff --git a/src/Storage/Storage.Management/ChangeLog.md b/src/Storage/Storage.Management/ChangeLog.md
index 4633860f60eb..0fc5803a062d 100644
--- a/src/Storage/Storage.Management/ChangeLog.md
+++ b/src/Storage/Storage.Management/ChangeLog.md
@@ -18,6 +18,9 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Fixed upload file with OAuth authentication issue [#24289] 
+    - `Set-AzStorageFileContent`
+
 * Fixed parser logic when downloading blob from managed disk account with Sas Uri and bearer token on Linux and MacOS
     - `Get-AzStorageBlobContent`
 * Added warning messages for upcoming breaking changes in Queue cmdlets for removing references to "Microsoft.Azure.Storage.Queue"
diff --git a/src/Storage/Storage/File/Cmdlet/SetAzureStorageFileContent.cs b/src/Storage/Storage/File/Cmdlet/SetAzureStorageFileContent.cs
index 6262f142c65a..47c5b722648e 100644
--- a/src/Storage/Storage/File/Cmdlet/SetAzureStorageFileContent.cs
+++ b/src/Storage/Storage/File/Cmdlet/SetAzureStorageFileContent.cs
@@ -244,12 +244,10 @@ await DataMovementTransferHelper.DoTransfer(() =>
                             {
                                 long currentBlockSize = offset + blockSize < fileSize ? blockSize : fileSize - offset;
 
-                                // Only need to create new buffer when chunk size change
-                                if (currentBlockSize != lastBlockSize)
-                                {
-                                    buffer = new byte[currentBlockSize];
-                                    lastBlockSize = currentBlockSize;
-                                }
+                                // create new buffer, the old buffer will be GC
+                                buffer = new byte[currentBlockSize];
+                                lastBlockSize = currentBlockSize;
+
                                 await stream.ReadAsync(buffer: buffer, offset: 0, count: (int)currentBlockSize);
                                 if (!fipsEnabled && hash != null)
                                 {