diff --git a/src/Tgstation.Server.Host/Core/IServerUpdateInitiator.cs b/src/Tgstation.Server.Host/Core/IServerUpdateInitiator.cs
index f9af6f34de..35aaa4037b 100644
--- a/src/Tgstation.Server.Host/Core/IServerUpdateInitiator.cs
+++ b/src/Tgstation.Server.Host/Core/IServerUpdateInitiator.cs
@@ -4,8 +4,6 @@ using System.Threading.Tasks;
 
 using Tgstation.Server.Host.IO;
 
-#nullable disable
-
 namespace Tgstation.Server.Host.Core
 {
 	/// <summary>
@@ -20,6 +18,6 @@ namespace Tgstation.Server.Host.Core
 		/// <param name="version">The TGS <see cref="Version"/> to update to.</param>
 		/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
 		/// <returns>A <see cref="ValueTask{TResult}"/> resulting in the <see cref="ServerUpdateResult"/>.</returns>
-		ValueTask<ServerUpdateResult> InitiateUpdate(IFileStreamProvider fileStreamProvider, Version version, CancellationToken cancellationToken);
+		ValueTask<ServerUpdateResult> InitiateUpdate(IFileStreamProvider? fileStreamProvider, Version version, CancellationToken cancellationToken);
 	}
 }