diff --git a/src/net/tls/TLSSession.cpp b/src/net/tls/TLSSession.cpp
index d3f6d495..cb50acc7 100644
--- a/src/net/tls/TLSSession.cpp
+++ b/src/net/tls/TLSSession.cpp
@@ -22,7 +22,9 @@
 //
 
 #include <gnutls/gnutls.h>
+#if GNUTLS_VERSION_NUMBER < 0x030000
 #include <gnutls/extra.h>
+#endif
 
 #include "vmime/config.hpp"