diff --git a/libvirt/tests/cfg/multivm_stress/multi_vms_with_stress.cfg b/libvirt/tests/cfg/multivm_stress/multi_vms_with_stress.cfg
index 585f7dad1d..128fca6b24 100644
--- a/libvirt/tests/cfg/multivm_stress/multi_vms_with_stress.cfg
+++ b/libvirt/tests/cfg/multivm_stress/multi_vms_with_stress.cfg
@@ -1,5 +1,5 @@
 - multi_vms_with_stress:
     type = multi_vms_with_stress
-    memory = 4000000
+    memory = 4194304
     vm_names = vm2 vm3
     stress_args = '--cpu 4 --io 4 --vm 2 --vm-bytes 128M &'
diff --git a/libvirt/tests/src/multivm_stress/multi_vms_with_stress.py b/libvirt/tests/src/multivm_stress/multi_vms_with_stress.py
index 6508cde4b6..2b5dd7dda7 100644
--- a/libvirt/tests/src/multivm_stress/multi_vms_with_stress.py
+++ b/libvirt/tests/src/multivm_stress/multi_vms_with_stress.py
@@ -18,7 +18,7 @@ def run(test, params, env):
     3. Start all vms and verify vms could be logged in normally
     4. Verify all vms could be gracefully shutdown successfully
     """
-    memory = params.get("memory", "4000000")
+    memory = params.get("memory", "4194304")
     main_vm_name = params.get("main_vm")
     main_vm = env.get_vm(main_vm_name)
     vm_names = params.get("vm_names").split()