diff --git a/deploy/prerequisite/longhorn-spdk-setup.yaml b/deploy/prerequisite/longhorn-spdk-setup.yaml
index 29d8983..7c4b327 100644
--- a/deploy/prerequisite/longhorn-spdk-setup.yaml
+++ b/deploy/prerequisite/longhorn-spdk-setup.yaml
@@ -29,11 +29,13 @@ spec:
         image: alpine:3.12
         env:
         - name: SPDK_DIR
-          value: /tmp/spdk
+          value: "/tmp/spdk"
         - name: SPDK_OPTION
           value: ""
         - name: HUGEMEM
           value: "2048"
+        - name: PCI_ALLOWED
+          value: "none"
         - name: DRIVER_OVERRIDE
           value: "uio_pci_generic"
         securityContext: