diff --git a/machines/mimir/configuration.nix b/machines/mimir/configuration.nix
index d2e1b9b..2b07147 100644
--- a/machines/mimir/configuration.nix
+++ b/machines/mimir/configuration.nix
@@ -284,10 +284,12 @@
     <connection name="localhost-vnc">
       <protocol>vnc</protocol>
       <param name="hostname">localhost</param>
+      <param name="port">5900</param>
     </connection>
     <connection name="localhost-rdp">
       <protocol>rdp</protocol>
       <param name="hostname">localhost</param>
+      <param name="port">3389</param>
     </connection>
   </authorize>
 </user-mapping>