diff --git a/.github/workflows/smoke/smoke-vagrant.sh b/.github/workflows/smoke/smoke-vagrant.sh
index 1c1e3c50..115bbde0 100755
--- a/.github/workflows/smoke/smoke-vagrant.sh
+++ b/.github/workflows/smoke/smoke-vagrant.sh
@@ -29,6 +29,17 @@ docker run --name lighthouse1 --rm "$CONTAINER" -config lighthouse1.yml -test
 docker run --name host2 --rm "$CONTAINER" -config host2.yml -test
 
 vagrant up
+
+# OpenBSD: synced folders are disabled because Vagrant's rsync installer
+# uses ftp.openbsd.org which no longer hosts packages for older releases.
+# Copy build artifacts in via scp instead.
+case "$1" in
+    openbsd-*)
+        vagrant ssh -c "sudo mkdir -p /nebula" -- -T
+        tar -cf - -C build . | vagrant ssh -c "sudo tar -xf - -C /nebula && sudo chmod -R a+r /nebula" -- -T
+        ;;
+esac
+
 vagrant ssh -c "cd /nebula && /nebula/$1-nebula -config host3.yml -test" -- -T
 
 docker run --name lighthouse1 --device /dev/net/tun:/dev/net/tun --cap-add NET_ADMIN --rm "$CONTAINER" -config lighthouse1.yml 2>&1 | tee logs/lighthouse1 | sed -u 's/^/  [lighthouse1]  /' &
diff --git a/.github/workflows/smoke/smoke.sh b/.github/workflows/smoke/smoke.sh
index 66164921..f8cda450 100755
--- a/.github/workflows/smoke/smoke.sh
+++ b/.github/workflows/smoke/smoke.sh
@@ -124,6 +124,7 @@ set -x
 # host2 speaking to host4 on UDP 4000 should allow it to reply, when firewall rules would normally not permit this
 docker exec host2 sh -c "/usr/bin/echo host2 | ncat -nuv 192.168.100.4 4000"
 docker exec host2 ncat -e '/usr/bin/echo helloagainfromhost2' -nkluv 0.0.0.0 4000 &
+sleep 1
 docker exec host4 sh -c "/usr/bin/echo host4 | ncat -nuv 192.168.100.2 4000"
 
 docker exec host4 sh -c 'kill 1'
diff --git a/.github/workflows/smoke/vagrant-openbsd-amd64/Vagrantfile b/.github/workflows/smoke/vagrant-openbsd-amd64/Vagrantfile
index e4f41049..4bbf3e0e 100644
--- a/.github/workflows/smoke/vagrant-openbsd-amd64/Vagrantfile
+++ b/.github/workflows/smoke/vagrant-openbsd-amd64/Vagrantfile
@@ -3,5 +3,5 @@
 Vagrant.configure("2") do |config|
   config.vm.box = "generic/openbsd7"
 
-  config.vm.synced_folder "../build", "/nebula", type: "rsync"
+  config.vm.synced_folder ".", "/vagrant", disabled: true
 end