diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
index e1bc4812..6a2677fc 100644
--- a/src/microhttpd/daemon.c
+++ b/src/microhttpd/daemon.c
@@ -7486,11 +7486,10 @@ MHD_start_daemon_va (unsigned int flags,
         d->nnc = NULL;
         d->nonce_nc_size = 0;
 #if defined(MHD_USE_THREADS)
-        memset (&d->nnc_lock, 1, sizeof(daemon->nnc_lock));
+        memset (&d->nnc_lock, 1, sizeof(d->nnc_lock));
 #endif /* MHD_USE_THREADS */
 #endif /* DAUTH_SUPPORT */
 
-
         /* Spawn the worker thread */
         if (! MHD_create_named_thread_ (&d->pid,
                                         "MHD-worker",