diff --git a/src/PhenX.EntityFrameworkCore.BulkInsert.SqlServer/SqlServerDialectBuilder.cs b/src/PhenX.EntityFrameworkCore.BulkInsert.SqlServer/SqlServerDialectBuilder.cs
index 42552f2..a45414f 100644
--- a/src/PhenX.EntityFrameworkCore.BulkInsert.SqlServer/SqlServerDialectBuilder.cs
+++ b/src/PhenX.EntityFrameworkCore.BulkInsert.SqlServer/SqlServerDialectBuilder.cs
@@ -34,7 +34,8 @@ public override string BuildMoveDataSql<T>(
     {
         var q = new StringBuilder();
 
-        if (options.CopyGeneratedColumns)
+        var identityInsert = options.CopyGeneratedColumns && insertedColumns.Any(x => x.IsGenerated);
+        if (identityInsert)
         {
             q.AppendLine($"SET IDENTITY_INSERT {target.QuotedTableName} ON;");
         }
@@ -129,7 +130,7 @@ public override string BuildMoveDataSql<T>(
 
         q.AppendLine(";");
 
-        if (options.CopyGeneratedColumns)
+        if (identityInsert)
         {
             q.AppendLine($"SET IDENTITY_INSERT {target.QuotedTableName} OFF;");
         }
diff --git a/src/PhenX.EntityFrameworkCore.BulkInsert/Metadata/ColumnMetadata.cs b/src/PhenX.EntityFrameworkCore.BulkInsert/Metadata/ColumnMetadata.cs
index 3d1c899..aedcfab 100644
--- a/src/PhenX.EntityFrameworkCore.BulkInsert/Metadata/ColumnMetadata.cs
+++ b/src/PhenX.EntityFrameworkCore.BulkInsert/Metadata/ColumnMetadata.cs
@@ -22,7 +22,7 @@ internal sealed class ColumnMetadata(IProperty property,  SqlDialectBuilder dial
 
     public Type ClrType { get; } = property.ClrType;
 
-    public bool IsGenerated { get; } = property.ValueGenerated == ValueGenerated.OnAdd;
+    public bool IsGenerated { get; } = property.ValueGenerated != ValueGenerated.Never;
 
     public object? GetValue(object entity, BulkInsertOptions options)
     {
diff --git a/tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/DbContext/TestEntityWithGeneratedGuidId.cs b/tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/DbContext/TestEntityWithGeneratedGuidId.cs
deleted file mode 100644
index 4a8b23a..0000000
--- a/tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/DbContext/TestEntityWithGeneratedGuidId.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-using System.ComponentModel.DataAnnotations.Schema;
-
-namespace PhenX.EntityFrameworkCore.BulkInsert.Tests.DbContext;
-
-[Table("test_entity_generated_guids")]
-public class TestEntityWithGeneratedGuidId
-{
-    [Key]
-    public Guid Id { get; set; }
-
-    [Column("name")]
-    [MaxLength(100)]
-    public string Name { get; set; } = string.Empty;
-
-    [Column("test_run")]
-    public Guid TestRun { get; set; }
-}
diff --git a/tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/Tests/Basic/BasicTestsBase.cs b/tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/Tests/Basic/BasicTestsBase.cs
index ca54851..13c114c 100644
--- a/tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/Tests/Basic/BasicTestsBase.cs
+++ b/tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/Tests/Basic/BasicTestsBase.cs
@@ -261,4 +261,26 @@ await _context.ExecuteBulkInsertAsync(entities, (SqlServerBulkInsertOptions _) =
                 }));
         }
     }
+
+    [SkippableTheory]
+    [CombinatorialData]
+    public async Task InsertEntities_WithGeneratedGuidId(InsertStrategy strategy)
+    {
+        // Arrange
+        var entities = new List<TestEntityWithGuidId>
+        {
+            new TestEntityWithGuidId { Id = Guid.NewGuid(), Name = $"{_run}_Entity1" },
+            new TestEntityWithGuidId { Id = Guid.NewGuid(), Name = $"{_run}_Entity2" }
+        };
+
+        // Act
+        var insertedEntities = await _context.InsertWithStrategyAsync(strategy, entities, configure => configure.CopyGeneratedColumns = true);
+
+        // Assert
+        insertedEntities.Should().BeEquivalentTo(entities,
+            o=> o
+                .RespectingRuntimeTypes()
+                .Excluding(e => e.Id)
+            );
+    }
 }