diff --git a/playbooks/Octavia-DSVM/pre.yaml b/playbooks/Octavia-DSVM/pre.yaml
index 1e7987c..3ab7e20 100644
--- a/playbooks/Octavia-DSVM/pre.yaml
+++ b/playbooks/Octavia-DSVM/pre.yaml
@@ -2,6 +2,7 @@
   name: Octavia DSVM jobs pre-run playbook
   tasks:
     - shell:
+        executable: /bin/bash
         cmd: |
           set -e
           set -x