diff --git a/example.yml b/example.yml
index 91fac6c..1f3bb25 100644
--- a/example.yml
+++ b/example.yml
@@ -58,7 +58,7 @@ services:
             - "/gluster/docker/imninja_synapse/data/:/data/"
         ports:
             - "145.239.119.128:8448:8448"
-            - "145.239.119.128:42933:443"
+            - "145.239.119.128:42933:443/udp"
         networks:
             - homeserver
             - database
diff --git a/expose_forwards.ps1 b/expose_forwards.ps1
index b7661ff..da2cf4d 100644
--- a/expose_forwards.ps1
+++ b/expose_forwards.ps1
@@ -160,8 +160,8 @@ foreach($yaml in (Get-ChildItem -Path $Stacks -Include '*.yml','*.yaml' -Recurse
             Write-Output ('Add rule for {0}:{1}' -f $nat.ip,$nat.port)
             
             $rule = @(
-                '-p','tcp'
-                '-m','tcp'
+                '-p',$nat.protocol
+                '-m',$nat.protocol
                 '--destination',$nat.ip
                 '--dport',$nat.port
                 '-j','DNAT'