diff --git a/MareSynchronosServer/MareSynchronosStaticFilesServer/Services/CachedFileProvider.cs b/MareSynchronosServer/MareSynchronosStaticFilesServer/Services/CachedFileProvider.cs
index ef8d942..aac8260 100644
--- a/MareSynchronosServer/MareSynchronosStaticFilesServer/Services/CachedFileProvider.cs
+++ b/MareSynchronosServer/MareSynchronosStaticFilesServer/Services/CachedFileProvider.cs
@@ -80,6 +80,7 @@ public sealed class CachedFileProvider : IDisposable
         {
             await fileStream.WriteAsync(buffer.AsMemory(0, bytesRead)).ConfigureAwait(false);
         }
+        await fileStream.FlushAsync().ConfigureAwait(false);
         await fileStream.DisposeAsync().ConfigureAwait(false);
         File.Move(tempFileName, fileName, true);