diff --git a/machines/cj/configuration.nix b/machines/cj/configuration.nix
index d866d12..d6d5c71 100644
--- a/machines/cj/configuration.nix
+++ b/machines/cj/configuration.nix
@@ -170,6 +170,15 @@
     # Enable the OpenSSH daemon.
     openssh.enable = true;
 
+    # This is an ollama frontend. Formerly called ollama-webui
+    open-webui = {
+      enable = true;
+      environment.OLLAMA_API_BASE_URL = "http://192.168.88.18:11434";
+      host = "cj.monster-squeaker.ts.net";
+      port = 8687;
+      stateDir = "/serverdata/open-webui";
+    };
+
     pipewire = {
       enable = true;
       alsa.enable = true;
diff --git a/machines/cj/hardware-configuration-zfs.nix b/machines/cj/hardware-configuration-zfs.nix
index b592308..984aae8 100644
--- a/machines/cj/hardware-configuration-zfs.nix
+++ b/machines/cj/hardware-configuration-zfs.nix
@@ -80,6 +80,11 @@
       fsType = "zfs";
       neededForBoot = true;
     };
+  fileSystems."/serverdata/open-webui" =
+    { device = "rpool/serverdata/open-webui";
+      fsType = "zfs";
+      neededForBoot = true;
+    };
   fileSystems."/serverdata/pihole" =
     { device = "rpool/serverdata/pihole";
       fsType = "zfs";