diff --git a/src/tls-auth.c b/src/tls-auth.c
index f181b52..5ac2491 100644
--- a/src/tls-auth.c
+++ b/src/tls-auth.c
@@ -187,8 +187,8 @@ static void *fd_to_ptr(int fd)
 int tls_auth_connection(prelude_client_profile_t *cp, prelude_io_t *io, int crypt,
                         uint64_t *analyzerid, prelude_connection_permission_t *permission)
 {
-        int ret, fd;
         void *cred;
+        int ret, fd;
         gnutls_session session;
 
         ret = prelude_client_profile_get_credentials(cp, &cred);
@@ -197,6 +197,10 @@ int tls_auth_connection(prelude_client_profile_t *cp, prelude_io_t *io, int cryp
 
         gnutls_init(&session, GNUTLS_CLIENT);
         gnutls_set_default_priority(session);
+
+        const int c_prio[] = { GNUTLS_COMP_NULL, GNUTLS_COMP_DEFLATE, 0 };
+        gnutls_compression_set_priority(session, c_prio);
+
         gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, cred);
 
         fd = prelude_io_get_fd(io);