diff --git a/pkg/dom0-ztools/Dockerfile b/pkg/dom0-ztools/Dockerfile
index 8e61d033e5..983767e788 100644
--- a/pkg/dom0-ztools/Dockerfile
+++ b/pkg/dom0-ztools/Dockerfile
@@ -58,3 +58,5 @@ RUN addgroup -g 100 tpms
 RUN addgroup -g 101 vtpm
 RUN adduser -D -H -h /nonexistent -s /bin/false -g "vtpm" -G vtpm -u 101 vtpm
 RUN addgroup vtpm tpms
+# setup group for disk access, mdev handling
+RUN addgroup -g 6 disk
diff --git a/pkg/pillar/build-kubevirt.yml b/pkg/pillar/build-kubevirt.yml
index e676fd492c..5d59745135 100644
--- a/pkg/pillar/build-kubevirt.yml
+++ b/pkg/pillar/build-kubevirt.yml
@@ -2,6 +2,8 @@
 #
 # Copyright (c) 2024 Zededa, Inc.
 # SPDX-License-Identifier: Apache-2.0
+
+---
 org: lfedge
 image: eve-pillar
 config:
@@ -23,4 +25,4 @@ config:
     - path: all
       type: a
 buildArgs:
-  - HV=kubevirt
\ No newline at end of file
+  - HV=kubevirt