diff --git a/lib/listeners/http.py b/lib/listeners/http.py
index 9155696..80458a5 100644
--- a/lib/listeners/http.py
+++ b/lib/listeners/http.py
@@ -974,6 +974,7 @@ def send_message(packets=None):
                 pyversion = sys.version_info
 
                 # support any version of tls
+                pyversion = sys.version_info
                 if pyversion[0] == 2 and pyversion[1] == 7 and pyversion[2] >= 13:
                     proto = ssl.PROTOCOL_TLS
                 elif pyversion[0] >= 3:
diff --git a/lib/listeners/http_com.py b/lib/listeners/http_com.py
index 4117bf3..fdaa409 100644
--- a/lib/listeners/http_com.py
+++ b/lib/listeners/http_com.py
@@ -5,6 +5,7 @@ import os
 import ssl
 import time
 import copy
+import sys
 from pydispatch import dispatcher
 from flask import Flask, request, make_response
 
@@ -636,6 +637,7 @@ class Listener:
                 certPath = os.path.abspath(certPath)
 
                 # support any version of tls
+                pyversion = sys.version_info
                 if pyversion[0] == 2 and pyversion[1] == 7 and pyversion[2] >= 13:
                     proto = ssl.PROTOCOL_TLS
                 elif pyversion[0] >= 3:
diff --git a/lib/listeners/http_mapi.py b/lib/listeners/http_mapi.py
index 41c8e73..222994a 100644
--- a/lib/listeners/http_mapi.py
+++ b/lib/listeners/http_mapi.py
@@ -5,6 +5,7 @@ import os
 import ssl
 import time
 import copy
+import sys
 from pydispatch import dispatcher
 from flask import Flask, request, make_response
 
@@ -618,6 +619,7 @@ class Listener:
                 certPath = os.path.abspath(certPath)
 
                 # support any version of tls
+                pyversion = sys.version_info
                 if pyversion[0] == 2 and pyversion[1] == 7 and pyversion[2] >= 13:
                     proto = ssl.PROTOCOL_TLS
                 elif pyversion[0] >= 3: