diff --git a/minio/error.py b/minio/error.py
index b73bdc40..099e839c 100644
--- a/minio/error.py
+++ b/minio/error.py
@@ -80,7 +80,6 @@ def status_code(self) -> int:
 A = TypeVar("A", bound="S3Error")
 
 
-@dataclass(frozen=True)
 class S3Error(MinioException):
     """
     Raised to indicate that error response is received