diff --git a/hosts/pipebert/default.nix b/hosts/pipebert/default.nix
index 07d098db..c5e79ebd 100644
--- a/hosts/pipebert/default.nix
+++ b/hosts/pipebert/default.nix
@@ -96,6 +96,7 @@
           default = true;
           enableACME = true;
           forceSSL = true;
+          listen = libC.defaultListen;
           locations."/" = {
             proxyPass = "http://127.0.0.1:${toString config.services.octoprint.port}";
             proxyWebsockets = true;
diff --git a/hosts/public-access-proxy/default.nix b/hosts/public-access-proxy/default.nix
index 733a7ae1..4f648a6a 100644
--- a/hosts/public-access-proxy/default.nix
+++ b/hosts/public-access-proxy/default.nix
@@ -110,8 +110,7 @@
     } {
       hostNames = [ "drkkr.hq.c3d2.de" ];
       proxyTo.host = hostRegistry.pulsebert.ip4;
-      # TODO: enable in pipebert
-      # proxyProtocol = true;
+      proxyProtocol = true;
     } {
       hostNames = [ "scrape.hq.c3d2.de" ];
       proxyTo.host = hostRegistry.scrape.ip4;