diff --git a/qemu/tests/cfg/guest_iommu_test.cfg b/qemu/tests/cfg/guest_iommu_test.cfg
index 5ba3bae2bfa..bb8a8eb610d 100644
--- a/qemu/tests/cfg/guest_iommu_test.cfg
+++ b/qemu/tests/cfg/guest_iommu_test.cfg
@@ -57,3 +57,6 @@
             smp = 10
         - intremap_off:
             iommu_intremap = off
+        - ats_off:
+            del virtio_dev_ats
+            virtio_dev_ats = off