diff --git a/src/openvpn/ssl.c b/src/openvpn/ssl.c
index 0a6be2dd..342957ea 100644
--- a/src/openvpn/ssl.c
+++ b/src/openvpn/ssl.c
@@ -3240,6 +3240,12 @@ check_session_buf_not_used(struct buffer *to_link, struct tls_session *session)
             "still in use (tls_wrap.work.data)");
         goto used;
     }
+    if (session->tls_wrap_reneg.work.data == dataptr)
+    {
+        msg(M_INFO, "Warning buffer of freed TLS session is "
+            "still in use (tls_wrap_reneg.work.data)");
+        goto used;
+    }
 
     for (int i = 0; i < KS_SIZE; i++)
     {