diff --git a/wpull/network/connection.py b/wpull/network/connection.py
index dcbaacdf..bfedf2b9 100644
--- a/wpull/network/connection.py
+++ b/wpull/network/connection.py
@@ -10,7 +10,6 @@
 import ssl
 
 import tornado.netutil
-from tornado.netutil import SSLCertificateError
 from typing import Optional, Union
 from wpull.backport.logging import BraceMessage as __
 from wpull.errors import NetworkError, ConnectionRefused, SSLVerificationError, \
@@ -305,7 +304,7 @@ def run_network_operation(self, task, wait_timeout=None,
             self.close()
             raise NetworkTimedOut(
                 '{name} timed out.'.format(name=name)) from error
-        except (tornado.netutil.SSLCertificateError, SSLVerificationError) \
+        except (ssl.CertificateError, SSLVerificationError) \
                 as error:
             self.close()
             raise SSLVerificationError(