diff --git a/tests/roles/bootstrap-host/tasks/prepare_loopback_swift.yml b/tests/roles/bootstrap-host/tasks/prepare_loopback_swift.yml
index adb8eb2488..e0d10ccd2f 100644
--- a/tests/roles/bootstrap-host/tasks/prepare_loopback_swift.yml
+++ b/tests/roles/bootstrap-host/tasks/prepare_loopback_swift.yml
@@ -14,7 +14,7 @@
 # limitations under the License.
 
 - name: Create sparse Swift files
-  shell: "truncate -s {{ bootstrap_host_loopback_cinder_size }}G /openstack/{{ item }}.img"
+  shell: "truncate -s {{ bootstrap_host_loopback_swift_size }}G /openstack/{{ item }}.img"
   args:
     creates: "/openstack/{{ item }}.img"
   with_items: