diff --git a/READMEs/README-systemd-nspawn.md b/READMEs/README-systemd-nspawn.md
index 86cedbb..611db85 100644
--- a/READMEs/README-systemd-nspawn.md
+++ b/READMEs/README-systemd-nspawn.md
@@ -119,6 +119,10 @@ If a 32-bit install, leave out libc6-i386
 Container # apt install sudo make git gcc cmake net-tools libssl-dev vim libc6-i386 dbus systemd-container libmbedtls-dev libev4 libev-dev libuv1 libuv1-dev libmount-dev libsqlite0-dev libgit2-dev inetutils-ping psmisc libgit2-27 libmbedcrypto3 libmbedtls12 libmbedx509-0 libmbedtls-dev libevent-2.1-6 libevent-dev libglib2.0-0 libsqlite3-0 libsqlite3-dev pkg-config libglib2.0-dev libglib2.0-0 libdbus-1-dev libdbus-1-3 g++
 ```
 
+### Specific to Debian 11
+
+Container # apt install sudo make git gcc cmake net-tools libssl-dev vim libc6-i386 dbus systemd-container libmbedtls-dev libev4 libev-dev libuv1 libuv1-dev libmount-dev libsqlite3-dev libgit2-dev inetutils-ping psmisc libgit2-1.1 libmbedcrypto3 libmbedtls12 libmbedx509-0 libmbedtls-dev libevent-2.1-7 libevent-dev libglib2.0-0 libsqlite3-0 libsqlite3-dev pkg-config libglib2.0-dev libglib2.0-0 libdbus-1-dev libdbus-1-3 g++ file
+
 ### Specific to Ubuntu
 
 We have to enable the "universe" packageset to get normal things.
diff --git a/src/builder/b-comms.c b/src/builder/b-comms.c
index 12dbda4..479ee86 100644
--- a/src/builder/b-comms.c
+++ b/src/builder/b-comms.c
@@ -155,9 +155,7 @@ tp_sync_check(struct lws_dll2 *d, void *user)
 		if (soe == NSSTATE_FAILED) {
 			lwsl_notice("%s: thread over with FAILED\n",
 					__func__);
-			saib_set_ns_state(ns, NSSTATE_FAILED);
-			saib_task_grace(ns);
-			goto next;
+			goto failer;
 		}
 
 		/*
@@ -169,18 +167,16 @@ tp_sync_check(struct lws_dll2 *d, void *user)
 		ns->tp_task = NULL;
 
 		lws_sul_cancel(&ns->sul_task_cancel);
-
 		saib_set_ns_state(ns, NSSTATE_BUILD);
 
 		n = saib_spawn(ns);
-		if (!n)
-			goto next;
-
-		lwsl_err("%s: spawn failed: %d\n", __func__, n);
-
-		lwsl_notice("%s: failing spawn cleanly\n", __func__);
-		saib_set_ns_state(ns, NSSTATE_FAILED);
-		saib_task_grace(ns);
+		if (n) {
+			lwsl_err("%s: spawn failed: %d\n", __func__, n);
+failer:
+			saib_set_ns_state(ns, NSSTATE_FAILED);
+			saib_task_grace(ns);
+			saib_queue_task_status_update(ns->sp, ns->spm, NULL);
+		}
 
 next:
 
diff --git a/src/builder/b-mirror.c b/src/builder/b-mirror.c
index 9426c2e..7bca81a 100644
--- a/src/builder/b-mirror.c
+++ b/src/builder/b-mirror.c
@@ -476,11 +476,6 @@ fail:
 
 	lwsl_err("%s: failed\n", __func__);
 	ns->retcode = SAISPRF_EXIT | 253;
-	saib_set_ns_state(ns, NSSTATE_FAILED);
-	saib_task_grace(ns);
-
-	if (saib_queue_task_status_update(ns->sp, ns->spm, NULL))
-		return LWS_TP_RETURN_SYNC;
 
 	return LWS_TP_RETURN_SYNC;
 }
diff --git a/src/builder/b-task.c b/src/builder/b-task.c
index 537577e..5bb14fc 100644
--- a/src/builder/b-task.c
+++ b/src/builder/b-task.c
@@ -1,7 +1,7 @@
 /*
  * sai-builder task acquisition
  *
- * Copyright (C) 2019 - 2020 Andy Green <andy@warmcat.com>
+ * Copyright (C) 2019 - 2021 Andy Green <andy@warmcat.com>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public