diff --git a/cloudbuild.yaml b/cloudbuild.yaml
index 23b4090b8d..bdf07a5dfd 100644
--- a/cloudbuild.yaml
+++ b/cloudbuild.yaml
@@ -5,6 +5,7 @@ steps:
     - IMAGE_REGISTRY=gcr.io/$PROJECT_ID
     - _GIT_TAG=$_GIT_TAG
     - IMAGE_EXTRA_TAG_NAMES=$_PULL_BASE_REF
+    - HOME=/root
 substitutions:
   _GIT_TAG: '0.0.0'
   _PULL_BASE_REF: 'master'