diff --git a/src/.nuget/NuGet.Config b/src/.nuget/NuGet.Config
new file mode 100644
index 0000000..3f0e003
--- /dev/null
+++ b/src/.nuget/NuGet.Config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
+  </packageSources>
+</configuration>
\ No newline at end of file
diff --git a/src/ServiceStack.Azure/Storage/AzureBlobVirtualFiles.cs b/src/ServiceStack.Azure/Storage/AzureBlobVirtualFiles.cs
index b4807af..da0f912 100644
--- a/src/ServiceStack.Azure/Storage/AzureBlobVirtualFiles.cs
+++ b/src/ServiceStack.Azure/Storage/AzureBlobVirtualFiles.cs
@@ -57,8 +57,9 @@ public void WriteFile(string filePath, Stream stream)
             {
                 blob.ServiceClient.DefaultRequestOptions.SingleBlobUploadThresholdInBytes = 1014 * 1024 * 10;
                 blob.ServiceClient.DefaultRequestOptions.ParallelOperationThreadCount = Environment.ProcessorCount;
-                blob.Properties.ContentType = MimeTypes.GetMimeType(filePath);
             }
+
+            blob.Properties.ContentType = MimeTypes.GetMimeType(filePath);
             blob.UploadFromStream(stream);
         }