diff --git a/libvirt/tests/cfg/cpu/max_vcpus.cfg b/libvirt/tests/cfg/cpu/max_vcpus.cfg
index f2bca77180..b93634d713 100644
--- a/libvirt/tests/cfg/cpu/max_vcpus.cfg
+++ b/libvirt/tests/cfg/cpu/max_vcpus.cfg
@@ -59,5 +59,5 @@
                 - ioapic_iommu:
                     only q35
                     check = "ioapic_iommu_ne"
-                    guest_vcpu = "711"
+                    guest_vcpu = "4097"
                     err_msg = "unsupported configuration: Maximum CPUs greater than specified machine type limit|exceeds the maximum cpus supported"