diff --git a/test/bin/scenario.sh b/test/bin/scenario.sh
index 8f16e22d8f..dfda87f14a 100755
--- a/test/bin/scenario.sh
+++ b/test/bin/scenario.sh
@@ -900,7 +900,6 @@ launch_vm() {
             --autoconsole text \
             --graphics "${graphics_args}" \
             --name "${full_vmname}" \
-            --vcpus "${vm_vcpus}" \
             --memory "${vm_memory}" \
             --disk "pool=${vm_pool_name},size=${vm_disksize}" \
             ${vm_network_args} \