diff --git a/devstack/lib/ironic b/devstack/lib/ironic
index c0a397d0f3..97e0aa3e1a 100644
--- a/devstack/lib/ironic
+++ b/devstack/lib/ironic
@@ -2521,7 +2521,7 @@ function build_ipa_dib_ramdisk {
     if is_deploy_iso_required; then
         IRONIC_DIB_RAMDISK_OPTIONS+=" iso"
     fi
-    git_clone $IRONIC_PYTHON_AGENT_BUILDER_REPO $IRONIC_PYTHON_AGENT_BUILDER_DIR
+    git_clone $IRONIC_PYTHON_AGENT_BUILDER_REPO $IRONIC_PYTHON_AGENT_BUILDER_DIR $IRONIC_PYTHON_AGENT_BUILDER_BRANCH
     ELEMENTS_PATH="$IRONIC_PYTHON_AGENT_BUILDER_DIR/dib" \
         DIB_DHCP_TIMEOUT=$IRONIC_DIB_DHCP_TIMEOUT \
         disk-image-create "$IRONIC_DIB_RAMDISK_OPTIONS" \