diff --git a/VoidCat/Program.cs b/VoidCat/Program.cs
index 15cb3e3..0edc0a9 100644
--- a/VoidCat/Program.cs
+++ b/VoidCat/Program.cs
@@ -128,7 +128,6 @@ services.AddAuthorization((opt) =>
 // void.cat services
 //
 services.AddTransient<RazorPartialToStringRenderer>();
-services.AddVoidMigrations();
 
 // file storage
 services.AddStorage(voidSettings);
@@ -160,6 +159,9 @@ if (useRedis)
     services.AddTransient<RedisStatsController>();
     services.AddTransient<IStatsCollector>(svc => svc.GetRequiredService<RedisStatsController>());
     services.AddTransient<IStatsReporter>(svc => svc.GetRequiredService<RedisStatsController>());
+    
+    // redis specific migrations
+    services.AddTransient<IMigration, UserLookupKeyHashMigration>();
 }
 else
 {
diff --git a/VoidCat/Services/InMemory/InMemoryCache.cs b/VoidCat/Services/InMemory/InMemoryCache.cs
index 6871f28..f92a9b3 100644
--- a/VoidCat/Services/InMemory/InMemoryCache.cs
+++ b/VoidCat/Services/InMemory/InMemoryCache.cs
@@ -16,7 +16,7 @@ public class InMemoryCache : ICache
     {
         return ValueTask.FromResult(_cache.Get<T?>(key));
     }
-    
+
     public ValueTask Set<T>(string key, T value, TimeSpan? expire = null)
     {
         if (expire.HasValue)
@@ -30,12 +30,12 @@ public class InMemoryCache : ICache
 
         return ValueTask.CompletedTask;
     }
-    
+
     public ValueTask<string[]> GetList(string key)
     {
-        return ValueTask.FromResult(_cache.Get<string[]>(key));
+        return ValueTask.FromResult(_cache.Get<string[]>(key) ?? Array.Empty<string>());
     }
-    
+
     public ValueTask AddToList(string key, string value)
     {
         var list = new HashSet<string>(GetList(key).Result);
@@ -55,6 +55,7 @@ public class InMemoryCache : ICache
     public ValueTask Delete(string key)
     {
         _cache.Remove(key);
-        return ValueTask.CompletedTask;;
+        return ValueTask.CompletedTask;
+        ;
     }
-}
+}
\ No newline at end of file
diff --git a/VoidCat/Services/Migrations/IMigration.cs b/VoidCat/Services/Migrations/IMigration.cs
index 4368af2..a1cf6a7 100644
--- a/VoidCat/Services/Migrations/IMigration.cs
+++ b/VoidCat/Services/Migrations/IMigration.cs
@@ -3,12 +3,4 @@
 public interface IMigration
 {
     ValueTask Migrate();
-}
-
-public static class Migrations
-{
-    public static void AddVoidMigrations(this IServiceCollection svc)
-    {
-        svc.AddTransient<IMigration, UserLookupKeyHashMigration>();
-    }
 }
\ No newline at end of file
diff --git a/VoidCat/Services/Migrations/MetadataMigrator.cs b/VoidCat/Services/Migrations/MetadataMigrator.cs
index 62b33e4..e9b9ae7 100644
--- a/VoidCat/Services/Migrations/MetadataMigrator.cs
+++ b/VoidCat/Services/Migrations/MetadataMigrator.cs
@@ -13,7 +13,7 @@ public abstract class MetadataMigrator<TOld, TNew> : IMigration
         _settings = settings;
         _logger = logger;
     }
-    
+
     public async ValueTask Migrate()
     {
         var newMeta = Path.Combine(_settings.DataDirectory, OldPath);
@@ -21,7 +21,7 @@ public abstract class MetadataMigrator<TOld, TNew> : IMigration
         {
             Directory.CreateDirectory(newMeta);
         }
-        
+
         foreach (var fe in Directory.EnumerateFiles(_settings.DataDirectory))
         {
             var filename = Path.GetFileNameWithoutExtension(fe);
@@ -35,13 +35,13 @@ public abstract class MetadataMigrator<TOld, TNew> : IMigration
                 {
                     var oldJson = await File.ReadAllTextAsync(fp);
                     if (!ShouldMigrate(oldJson)) continue;
-                    
+
                     var old = JsonConvert.DeserializeObject<TOld>(oldJson);
-                    if(old == null) continue;
-                    
+                    if (old == null) continue;
+
                     var newObj = MigrateModel(old);
                     await File.WriteAllTextAsync(MapNewMeta(id), JsonConvert.SerializeObject(newObj));
-                    
+
                     // delete old metadata
                     File.Delete(fp);
                 }
@@ -58,9 +58,10 @@ public abstract class MetadataMigrator<TOld, TNew> : IMigration
 
     protected abstract bool ShouldMigrate(string json);
     protected abstract TNew MigrateModel(TOld old);
-    
+
     private string MapOldMeta(Guid id) =>
         Path.ChangeExtension(Path.Join(_settings.DataDirectory, OldPath, id.ToString()), ".json");
+
     private string MapNewMeta(Guid id) =>
         Path.ChangeExtension(Path.Join(_settings.DataDirectory, NewPath, id.ToString()), ".json");
 }
\ No newline at end of file
diff --git a/VoidCat/Services/Migrations/UserLookupKeyHashMigration.cs b/VoidCat/Services/Migrations/UserLookupKeyHashMigration.cs
index 495242c..4eb5541 100644
--- a/VoidCat/Services/Migrations/UserLookupKeyHashMigration.cs
+++ b/VoidCat/Services/Migrations/UserLookupKeyHashMigration.cs
@@ -12,7 +12,7 @@ public class UserLookupKeyHashMigration : IMigration
     {
         _database = database;
     }
-    
+
     public async ValueTask Migrate()
     {
         var users = await _database.SetMembersAsync("users");
@@ -41,4 +41,4 @@ public class UserLookupKeyHashMigration : IMigration
 
         public string Email { get; init; }
     }
-}
+}
\ No newline at end of file
diff --git a/VoidCat/Services/Users/UserStore.cs b/VoidCat/Services/Users/UserStore.cs
index 6e0b010..ee71dd4 100644
--- a/VoidCat/Services/Users/UserStore.cs
+++ b/VoidCat/Services/Users/UserStore.cs
@@ -88,7 +88,7 @@ public class UserStore : IUserStore
 
         //retain flags
         var isEmailVerified = oldUser.Flags.HasFlag(VoidUserFlags.EmailVerified);
-        
+
         // update only a few props
         oldUser.Avatar = newUser.Avatar;
         oldUser.Flags = newUser.Flags | (isEmailVerified ? VoidUserFlags.EmailVerified : 0);