diff --git a/MicroWebSrv2/libs/XAsyncSockets.py b/MicroWebSrv2/libs/XAsyncSockets.py
index 836fed0..1507d9a 100644
--- a/MicroWebSrv2/libs/XAsyncSockets.py
+++ b/MicroWebSrv2/libs/XAsyncSockets.py
@@ -827,7 +827,7 @@ def CliAddr(self) :
     @property
     def IsSSL(self) :
         return ( hasattr(ssl, 'SSLContext') and \
-                 isinstance(self._socket, ssl.SSLSocket) )
+                 isinstance(self._socket, ssl.SSLContext) )
 
     @property
     def SendingBuffer(self) :