diff --git a/util/Seeder/Pipeline/BulkCommitter.cs b/util/Seeder/Pipeline/BulkCommitter.cs
index 454ec52d8e71..f618f2667c43 100644
--- a/util/Seeder/Pipeline/BulkCommitter.cs
+++ b/util/Seeder/Pipeline/BulkCommitter.cs
@@ -2,6 +2,7 @@
 using Bit.Infrastructure.EntityFramework.Repositories;
 using LinqToDB.Data;
 using LinqToDB.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
 using EfCollection = Bit.Infrastructure.EntityFramework.Models.Collection;
 using EfCollectionGroup = Bit.Infrastructure.EntityFramework.Models.CollectionGroup;
 using EfCollectionUser = Bit.Infrastructure.EntityFramework.Models.CollectionUser;
@@ -25,8 +26,9 @@ namespace Bit.Seeder.Pipeline;
 /// Each list is cleared after insert so the context is ready for the next pipeline run.
 ///
 /// CollectionUser and CollectionGroup require an explicit table name in BulkCopyOptions because
-/// they lack both IEntityTypeConfiguration and .ToTable() mappings in DatabaseContext, so LinqToDB
-/// cannot resolve their table names automatically.
+/// they lack .ToTable() mappings in DatabaseContext, so LinqToDB cannot resolve their table names
+/// automatically. Table names vary by provider — SQL Server uses singular names while EF Core-managed
+/// providers use pluralized names.
 /// </remarks>
 /// <seealso cref="SeederContext"/>
 /// <seealso cref="RecipeExecutor"/>
@@ -48,9 +50,11 @@ internal void Commit(SeederContext context)
 
         MapCopyAndClear<Core.Entities.Collection, EfCollection>(context.Collections);
 
-        MapCopyAndClear<Core.Entities.CollectionUser, EfCollectionUser>(context.CollectionUsers, nameof(Core.Entities.CollectionUser));
+        MapCopyAndClear<Core.Entities.CollectionUser, EfCollectionUser>(context.CollectionUsers,
+            GetTableName<EfCollectionUser>());
 
-        MapCopyAndClear<Core.Entities.CollectionGroup, EfCollectionGroup>(context.CollectionGroups, nameof(Core.Entities.CollectionGroup));
+        MapCopyAndClear<Core.Entities.CollectionGroup, EfCollectionGroup>(context.CollectionGroups,
+            GetTableName<EfCollectionGroup>());
 
         MapCopyAndClear<Core.Vault.Entities.Folder, EfFolder>(context.Folders);
 
@@ -59,6 +63,15 @@ internal void Commit(SeederContext context)
         CopyAndClear(context.CollectionCiphers);
     }
 
+    /// <summary>
+    /// Resolves the table name for an EF entity type from the EF Core model,
+    /// falling back to the C# class name for SQL Server.
+    /// </summary>
+    private string? GetTableName<TEf>() where TEf : class =>
+        db.Database.IsSqlServer()
+            ? typeof(TEf).Name
+            : db.Model.FindEntityType(typeof(TEf))?.GetTableName();
+
     private void MapCopyAndClear<TCore, TEf>(List<TCore> entities, string? tableName = null) where TEf : class
     {
         if (entities.Count is 0)