diff --git a/slave_scripts/devstack-vm-update-image.sh b/slave_scripts/devstack-vm-update-image.sh
index 2304d7a7..412f05e9 100755
--- a/slave_scripts/devstack-vm-update-image.sh
+++ b/slave_scripts/devstack-vm-update-image.sh
@@ -27,6 +27,7 @@ fi
 cd devstack
 git remote update
 git pull --ff-only origin
+git checkout $GERRIT_BRANCH
 
 cd $WORKSPACE
 cat devstack/files/apts/* | grep -v NOPRIME | cut -d\# -f1 > devstack-debs