diff --git a/error_translator.go b/error_translator.go
index a4243cd..59b322a 100644
--- a/error_translator.go
+++ b/error_translator.go
@@ -9,6 +9,7 @@ import (
 // The error codes to map mssql errors to gorm errors, here is a reference about error codes for mssql https://learn.microsoft.com/en-us/sql/relational-databases/errors-events/database-engine-events-and-errors?view=sql-server-ver16
 var errCodes = map[int32]error{
 	2627: gorm.ErrDuplicatedKey,
+	2601: gorm.ErrDuplicatedKey,
 	547:  gorm.ErrForeignKeyViolated,
 }
 
diff --git a/error_translator_test.go b/error_translator_test.go
index 44b0c42..da295df 100644
--- a/error_translator_test.go
+++ b/error_translator_test.go
@@ -27,6 +27,11 @@ func TestDialector_Translate(t *testing.T) {
 			args: args{err: mssql.Error{Number: 2627}},
 			want: gorm.ErrDuplicatedKey,
 		},
+		{
+			name: "it should return ErrDuplicatedKey error if the error number is 2601",
+			args: args{err: mssql.Error{Number: 2601}},
+			want: gorm.ErrDuplicatedKey,
+		},
 		{
 			name: "it should return ErrForeignKeyViolated the error number is 547",
 			args: args{err: mssql.Error{Number: 547}},