diff --git a/qemu/tests/cfg/hotplug_mem.cfg b/qemu/tests/cfg/hotplug_mem.cfg
index 04c2b038ab485513bf37bc60e43ad6ea16101ffd..d717a764aacca0bf720cc59cd26982bfd7cd0fef 100644
--- a/qemu/tests/cfg/hotplug_mem.cfg
+++ b/qemu/tests/cfg/hotplug_mem.cfg
@@ -19,8 +19,8 @@
     # Notes:
     #    The threshold on ppc was confirmed with developer
     #    since crashkernel size is much bigger than x86
-    ppc64,ppc64le:
-        threshold = 0.15
+    ppc64,ppc64le,aarch64:
+        threshold = 0.20
     sub_test_wait_time = 0
     variants:
         - @default: