diff --git a/libtisbackup/backup_xva.py b/libtisbackup/backup_xva.py
index 4e0830b..f737726 100755
--- a/libtisbackup/backup_xva.py
+++ b/libtisbackup/backup_xva.py
@@ -35,7 +35,9 @@ import tarfile
 import hashlib
 from stat import *
 import ssl  
-ssl._create_default_https_context = ssl._create_unverified_context
+
+if hasattr(ssl, '_create_unverified_context'): 
+    ssl._create_default_https_context = ssl._create_unverified_context
 
 
 class backup_xva(backup_generic):
diff --git a/libtisbackup/copy_vm_xcp.py b/libtisbackup/copy_vm_xcp.py
index 44e6c09..62806bb 100755
--- a/libtisbackup/copy_vm_xcp.py
+++ b/libtisbackup/copy_vm_xcp.py
@@ -34,7 +34,8 @@ import base64
 import socket
 from stat import *
 import ssl  
-ssl._create_default_https_context = ssl._create_unverified_context
+if hasattr(ssl, '_create_unverified_context'): 
+    ssl._create_default_https_context = ssl._create_unverified_context
 
 
 class copy_vm_xcp(backup_generic):