diff --git a/LightlessSync/FileCache/CacheMonitor.cs b/LightlessSync/FileCache/CacheMonitor.cs
index facc770..79d225b 100644
--- a/LightlessSync/FileCache/CacheMonitor.cs
+++ b/LightlessSync/FileCache/CacheMonitor.cs
@@ -583,7 +583,14 @@ public sealed class CacheMonitor : DisposableMediatorSubscriberBase
                     }
                     catch (Exception ex)
                     {
-                        Logger.LogWarning(ex, "Failed validating {path}", workload.ResolvedFilepath);
+                        if (workload != null)
+                        {
+                            Logger.LogWarning(ex, "Failed validating {path}", workload.ResolvedFilepath);
+                        }
+                        else
+                        {
+                            Logger.LogWarning(ex, "Failed validating unknown workload");
+                        }
                     }
                     Interlocked.Increment(ref _currentFileProgress);
                 }