diff --git a/nixos/modules/services/misc/octoprint.nix b/nixos/modules/services/misc/octoprint.nix
index 42b2926a7a1e..d8e4c9c302b3 100644
--- a/nixos/modules/services/misc/octoprint.nix
+++ b/nixos/modules/services/misc/octoprint.nix
@@ -5,10 +5,9 @@ let
 
   baseConfig = {
     plugins.curalegacy.cura_engine = "${pkgs.curaengine_stable}/bin/CuraEngine";
-    server.host = cfg.host;
     server.port = cfg.port;
     webcam.ffmpeg = "${pkgs.ffmpeg.bin}/bin/ffmpeg";
-  };
+  } // lib.optionalAttrs (cfg.host != null) {server.host = cfg.host;};
 
   fullConfig = lib.recursiveUpdate cfg.extraConfig baseConfig;
 
@@ -29,8 +28,8 @@ in
       enable = lib.mkEnableOption "OctoPrint, web interface for 3D printers";
 
       host = lib.mkOption {
-        type = lib.types.str;
-        default = "0.0.0.0";
+        type = lib.types.nullOr lib.types.str;
+        default = null;
         description = ''
           Host to bind OctoPrint to.
         '';