diff --git a/container-images/kolla/base/start.sh b/container-images/kolla/base/start.sh
index 34a6e5397..975fec289 100644
--- a/container-images/kolla/base/start.sh
+++ b/container-images/kolla/base/start.sh
@@ -15,4 +15,5 @@ if [[ ! "${!KOLLA_SKIP_EXTEND_START[@]}" ]]; then
 fi
 
 echo "Running command: '${CMD}${ARGS:+ $ARGS}'"
+umask "${TRIPLEO_KOLLA_UMASK:-0022}"
 exec ${CMD} ${ARGS}