diff --git a/modules/retiolum/default.nix b/modules/retiolum/default.nix
index ee2c595..0e2895c 100644
--- a/modules/retiolum/default.nix
+++ b/modules/retiolum/default.nix
@@ -50,7 +50,10 @@ in {
       '';
     };
 
-    networking.extraHosts = builtins.readFile ../../etc.hosts;
+    networking.extraHosts = if (cfg.ipv4 == null) then
+        builtins.readFile ../../etc.hosts-v6only
+      else
+        builtins.readFile ../../etc.hosts;
 
     environment.systemPackages = [
       config.services.tinc.networks.${netname}.package