diff --git a/Wabbajack.Common/Hash.cs b/Wabbajack.Common/Hash.cs
index 44780108..c961f2fd 100644
--- a/Wabbajack.Common/Hash.cs
+++ b/Wabbajack.Common/Hash.cs
@@ -276,7 +276,11 @@ namespace Wabbajack.Common
 
         public static async Task<Hash?> FileHashCachedAsync(this AbsolutePath file)
         {
-            if (TryGetHashCache(file, out var foundHash)) return foundHash;
+            if (TryGetHashCache(file, out var foundHash))
+            {
+                if (foundHash != default) 
+                    return foundHash;
+            }
 
             var hash = await file.FileHashAsync();
             if (hash != null && hash != Hash.Empty)
diff --git a/Wabbajack.Lib/MO2Installer.cs b/Wabbajack.Lib/MO2Installer.cs
index 55f478b9..7a7b8b92 100644
--- a/Wabbajack.Lib/MO2Installer.cs
+++ b/Wabbajack.Lib/MO2Installer.cs
@@ -346,7 +346,8 @@ namespace Wabbajack.Lib
 
                 await sourceDir.DeleteDirectory();
                 // Write the expected hash so we ignore compression changes
-                OutputFolder.Combine(bsa.To).FileHashWriteCache(bsa.Hash);
+                if (bsa.Hash != default) 
+                    OutputFolder.Combine(bsa.To).FileHashWriteCache(bsa.Hash);
 
                 if (UseCompression)
                     await OutputFolder.Combine(bsa.To).Compact(FileCompaction.Algorithm.XPRESS16K);