diff --git a/RetainerTrack/Handlers/GameHooks.cs b/RetainerTrack/Handlers/GameHooks.cs
index c7af3c6..2c1af26 100644
--- a/RetainerTrack/Handlers/GameHooks.cs
+++ b/RetainerTrack/Handlers/GameHooks.cs
@@ -95,7 +95,7 @@ internal sealed unsafe class GameHooks : IDisposable
 
                 if (!string.IsNullOrEmpty(mapping.PlayerName))
                 {
-                    _logger.LogTrace("Content id {ContentId} belongs to '{Name}'", mapping.ContentId,
+                    _logger.LogDebug("Content id {ContentId} belongs to '{Name}'", mapping.ContentId,
                         mapping.PlayerName);
                     mappings.Add(mapping);
                 }
@@ -136,7 +136,7 @@ internal sealed unsafe class GameHooks : IDisposable
     ///
     /// Both 1 and 2 are sent to you on login, unprompted.
     /// </summary>
-    [StructLayout(LayoutKind.Explicit, Size = 0x380)]
+    [StructLayout(LayoutKind.Explicit, Size = 0x420)]
     internal struct SocialListResultPage
     {
         [FieldOffset(0x10)] private fixed byte Players[10 * 0x58];
@@ -144,7 +144,7 @@ internal sealed unsafe class GameHooks : IDisposable
         public Span<SocialListPlayer> PlayerSpan => new(Unsafe.AsPointer(ref Players[0]), 10);
     }
 
-    [StructLayout(LayoutKind.Explicit, Size = 0x58)]
+    [StructLayout(LayoutKind.Explicit, Size = 0x68, Pack = 1)]
     internal struct SocialListPlayer
     {
         /// <summary>
@@ -156,6 +156,6 @@ internal sealed unsafe class GameHooks : IDisposable
         /// <summary>
         /// This *can* be empty, e.g. if you're querying your friend list, the names are ONLY set for characters on the same world.
         /// </summary>
-        [FieldOffset(0x31)] public fixed byte CharacterName[32];
+        [FieldOffset(0x3C)] public fixed byte CharacterName[32];
     }
 }
diff --git a/RetainerTrack/Handlers/PersistenceContext.cs b/RetainerTrack/Handlers/PersistenceContext.cs
index 759e0b0..a67ed91 100644
--- a/RetainerTrack/Handlers/PersistenceContext.cs
+++ b/RetainerTrack/Handlers/PersistenceContext.cs
@@ -89,29 +89,43 @@ internal sealed class PersistenceContext
                             WorldId = worldId,
                             OwnerLocalContentId = l.RetainerOwnerId,
                         })
+                    .Where(mapping =>
+                    {
+                        if (mapping.Name == null)
+                            return true;
+
+                        var currentWorldCache = _worldRetainerCache.GetOrAdd(mapping.WorldId, _ => new());
+                        if (currentWorldCache.TryGetValue(mapping.Name, out ulong playerContentId))
+                            return mapping.OwnerLocalContentId != playerContentId;
+
+                        return true;
+                    })
+                    .DistinctBy(x => x.LocalContentId)
                     .ToList();
 
             using var scope = _serviceProvider.CreateScope();
             using var dbContext = scope.ServiceProvider.GetRequiredService<RetainerTrackContext>();
 
-            var ids = updates.Select(x => x.LocalContentId).ToList();
-            var dbRetainers = dbContext.Retainers.Where(x => ids.Contains(x.LocalContentId))
-                .ToDictionary(x => x.LocalContentId, x => x);
             foreach (var retainer in updates)
             {
-                if (dbRetainers.TryGetValue(retainer.LocalContentId, out var dbRetainer))
+                Retainer? dbRetainer = dbContext.Retainers.Find(retainer.LocalContentId);
+                if (dbRetainer != null)
                 {
+                    _logger.LogDebug("Updating retainer {RetainerName} with {LocalContentId}", retainer.Name, retainer.LocalContentId);
                     dbRetainer.Name = retainer.Name;
                     dbRetainer.WorldId = retainer.WorldId;
                     dbRetainer.OwnerLocalContentId = retainer.OwnerLocalContentId;
                     dbContext.Retainers.Update(dbRetainer);
                 }
                 else
+                {
+                    _logger.LogDebug("Adding retainer {RetainerName} with {LocalContentId}", retainer.Name, retainer.LocalContentId);
                     dbContext.Retainers.Add(retainer);
+                }
 
                 if (!_playerNameCache.TryGetValue(retainer.OwnerLocalContentId, out string? ownerName))
                     ownerName = retainer.OwnerLocalContentId.ToString(CultureInfo.InvariantCulture);
-                _logger.LogTrace("Retainer {RetainerName} belongs to {OwnerId}", retainer.Name,
+                _logger.LogDebug("  Retainer {RetainerName} belongs to {OwnerName}", retainer.Name,
                     ownerName);
 
                 if (retainer.Name != null)
@@ -121,7 +135,9 @@ internal sealed class PersistenceContext
                 }
             }
 
-            dbContext.SaveChanges();
+            int changeCount = dbContext.SaveChanges();
+            if (changeCount > 0)
+                _logger.LogDebug("Saved {Count} retainer mappings", changeCount);
         }
         catch (Exception e)
         {
@@ -153,17 +169,31 @@ internal sealed class PersistenceContext
                     })
                 .ToList();
 
+            if (updates.Count == 0)
+                return;
 
             using (var scope = _serviceProvider.CreateScope())
             {
                 using var dbContext = scope.ServiceProvider.GetRequiredService<RetainerTrackContext>();
                 foreach (var update in updates)
                 {
-                    if (!dbContext.Players.Any(x => x.LocalContentId == update.LocalContentId))
-                        dbContext.Players.AddRange(updates);
+                    var dbPlayer = dbContext.Players.Find(update.LocalContentId);
+                    if (dbPlayer == null)
+                        dbContext.Players.Add(update);
+                    else
+                    {
+                        dbPlayer.Name = update.Name;
+                        dbContext.Players.Update(dbPlayer);
+                    }
                 }
 
-                dbContext.SaveChanges();
+                int changeCount = dbContext.SaveChanges();
+                if (changeCount > 0)
+                {
+                    _logger.LogDebug("Saved {Count} player mappings", changeCount);
+                    foreach (var update in updates)
+                        _logger.LogTrace("  {ContentId} = {Name}", update.LocalContentId, update.Name);
+                }
             }
 
             foreach (var player in updates)
diff --git a/RetainerTrack/RetainerTrack.csproj b/RetainerTrack/RetainerTrack.csproj
index 6aa5fa9..61a604f 100644
--- a/RetainerTrack/RetainerTrack.csproj
+++ b/RetainerTrack/RetainerTrack.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFramework>net8.0-windows</TargetFramework>
-        <Version>3.1</Version>
+        <Version>3.2</Version>
         <LangVersion>12.0</LangVersion>
         <Nullable>enable</Nullable>
         <RuntimeIdentifier>win-x64</RuntimeIdentifier>