diff --git a/qemu/tests/cfg/numa_prealloc_threads.cfg b/qemu/tests/cfg/numa_prealloc_threads.cfg
index a7b8d540db..2c5b7849e0 100644
--- a/qemu/tests/cfg/numa_prealloc_threads.cfg
+++ b/qemu/tests/cfg/numa_prealloc_threads.cfg
@@ -7,8 +7,8 @@
     login_timeout = 1000
     qemu_command_prefix = "taskset -c 0 "
     vm_thread_contexts = "tc1"
-    smp_fixed = 8
-    vcpu_maxcpus = ${smp_fixed}
+    smp_fixed = 1
+    vcpu_maxcpus = 2
     not_preprocess = yes
     first_cpu-affinity = "1-7"
     variants: