diff --git a/cluster/applications/open-webui/deployment.yaml b/cluster/applications/open-webui/deployment.yaml
index 2978a5a..0b4542d 100644
--- a/cluster/applications/open-webui/deployment.yaml
+++ b/cluster/applications/open-webui/deployment.yaml
@@ -59,6 +59,9 @@ spec:
           value: "true"
         - name: ENABLE_MODEL_FILTER
           value: "false"
+        # Disable Ollama model detection (we use vLLM/OpenAI-compatible only)
+        - name: ENABLE_OLLAMA_API
+          value: "false"
         # Storage
         - name: DATA_DIR
           value: "/app/backend/data"
@@ -82,5 +85,5 @@ spec:
           mountPath: /app/backend/data
       volumes:
       - name: data
-        emptyDir:
-          sizeLimit: 1Gi
+        persistentVolumeClaim:
+          claimName: open-webui-data
diff --git a/cluster/applications/open-webui/pvc.yaml b/cluster/applications/open-webui/pvc.yaml
new file mode 100644
index 0000000..f8af8f5
--- /dev/null
+++ b/cluster/applications/open-webui/pvc.yaml
@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: open-webui-data
+  namespace: open-webui
+  labels:
+    app.kubernetes.io/name: open-webui
+    app.kubernetes.io/component: data
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Gi