diff --git a/common/rfb/SSecurityTLS.h b/common/rfb/SSecurityTLS.h
index 4eebc7e..a793205 100644
--- a/common/rfb/SSecurityTLS.h
+++ b/common/rfb/SSecurityTLS.h
@@ -51,15 +51,15 @@
 
   protected:
     void shutdown();
-    void setParams(gnutls_session session);
+    void setParams(gnutls_session_t session);
 
   private:
     static void initGlobal();
 
-    gnutls_session session;
-    gnutls_dh_params dh_params;
-    gnutls_anon_server_credentials anon_cred;
-    gnutls_certificate_credentials cert_cred;
+    gnutls_session_t session;
+    gnutls_dh_params_t dh_params;
+    gnutls_anon_server_credentials_t anon_cred;
+    gnutls_certificate_credentials_t cert_cred;
     char *keyfile, *certfile;
 
     int type;