diff --git a/src/PhenX.EntityFrameworkCore.BulkInsert.Oracle/OracleBulkInsertProvider.cs b/src/PhenX.EntityFrameworkCore.BulkInsert.Oracle/OracleBulkInsertProvider.cs
index b97feab..36d22ff 100644
--- a/src/PhenX.EntityFrameworkCore.BulkInsert.Oracle/OracleBulkInsertProvider.cs
+++ b/src/PhenX.EntityFrameworkCore.BulkInsert.Oracle/OracleBulkInsertProvider.cs
@@ -59,7 +59,20 @@ protected override Task BulkInsert<T>(
 
         using var bulkCopy = new OracleBulkCopy(connection, options.CopyOptions);
 
-        bulkCopy.DestinationTableName = tableName;
+        // OracleBulkCopy's direct-path load cannot handle schema-qualified table names.
+        // When a schema is configured (e.g. via HasDefaultSchema()), the QuotedTableName
+        // includes a schema prefix (e.g. "SchemaX"."TableA"), which ODP.NET double-applies,
+        // producing SchemaX.SchemaX.TableA (ORA-39831). Use DestinationSchemaName explicitly.
+        if (tableName == tableInfo.QuotedTableName && tableInfo.Schema != null)
+        {
+            bulkCopy.DestinationTableName = SqlDialect.Quote(tableInfo.TableName);
+            bulkCopy.DestinationSchemaName = tableInfo.Schema;
+        }
+        else
+        {
+            bulkCopy.DestinationTableName = tableName;
+        }
+
         bulkCopy.BatchSize = options.BatchSize;
         bulkCopy.BulkCopyTimeout = options.GetCopyTimeoutInSeconds();
 
diff --git a/src/PhenX.EntityFrameworkCore.BulkInsert/Metadata/TableMetadata.cs b/src/PhenX.EntityFrameworkCore.BulkInsert/Metadata/TableMetadata.cs
index 17028b7..28f6f56 100644
--- a/src/PhenX.EntityFrameworkCore.BulkInsert/Metadata/TableMetadata.cs
+++ b/src/PhenX.EntityFrameworkCore.BulkInsert/Metadata/TableMetadata.cs
@@ -12,6 +12,8 @@ internal sealed class TableMetadata
 
     private readonly IEntityType _entityType;
 
+    public string? Schema { get; }
+
     public string QuotedTableName { get; }
 
     public string TableName { get; }
@@ -21,8 +23,9 @@ internal sealed class TableMetadata
     public TableMetadata(IEntityType entityType, SqlDialectBuilder dialect)
     {
         _entityType = entityType;
+        Schema = entityType.GetSchema();
         TableName = entityType.GetTableName() ?? throw new InvalidOperationException("Cannot determine table name.");
-        QuotedTableName = dialect.QuoteTableName(entityType.GetSchema(), TableName);
+        QuotedTableName = dialect.QuoteTableName(Schema, TableName);
         Columns = GetColumns(entityType, dialect);
     }