diff --git a/src/Tgstation.Server.Host/Components/Engine/OpenDreamInstaller.cs b/src/Tgstation.Server.Host/Components/Engine/OpenDreamInstaller.cs
index f99d70bfa4..608d3addb5 100644
--- a/src/Tgstation.Server.Host/Components/Engine/OpenDreamInstaller.cs
+++ b/src/Tgstation.Server.Host/Components/Engine/OpenDreamInstaller.cs
@@ -157,6 +157,8 @@ namespace Tgstation.Server.Host.Components.Engine
 				{
 					Logger.LogTrace("OD repo seems to already exist, attempting load and fetch...");
 					repo = await repositoryManager.LoadRepository(cancellationToken);
+					if (repo == null)
+						throw new JobException("Can't load OpenDream repository! Please delete cache from disk!");
 
 					await repo!.FetchOrigin(
 						progressSection1,