diff --git a/src/AsyncTCP_TLS_Context.cpp b/src/AsyncTCP_TLS_Context.cpp
index ffa37db..751bf14 100644
--- a/src/AsyncTCP_TLS_Context.cpp
+++ b/src/AsyncTCP_TLS_Context.cpp
@@ -196,7 +196,7 @@ int AsyncTCP_TLS_Context::runSSLHandshake(void)
         }
 
         // Handshake is taking too long
-        if ((millis()-handshake_start_time) > ssl_client->handshake_timeout)
+        if ((millis()-handshake_start_time) > handshake_timeout)
             return -1;
 
         // Either MBEDTLS_ERR_SSL_WANT_READ or MBEDTLS_ERR_SSL_WANT_WRITE