diff --git a/hosts/alyssum/home.syncthing.nix b/hosts/alyssum/home.syncthing.nix
index 5895716..929436b 100644
--- a/hosts/alyssum/home.syncthing.nix
+++ b/hosts/alyssum/home.syncthing.nix
@@ -15,7 +15,7 @@
     };
     services.syncthing = {
       enable = true;
-      guiAddress = ":8385";
+      guiAddress = "[::]:8385";
     };
   };
 }