diff --git a/test/vm/hftest.py b/test/vm/hftest.py
index 0e85dd2..bf32296 100755
--- a/test/vm/hftest.py
+++ b/test/vm/hftest.py
@@ -21,7 +21,7 @@
     qemu_args = [
         "timeout", "--foreground", "5s",
         "./prebuilts/linux-x64/qemu/qemu-system-aarch64", "-M", "virt", "-cpu",
-        "cortex-a57", "-m", "8M", "-machine", "virtualization=true",
+        "cortex-a57", "-m", "16M", "-machine", "virtualization=true",
         "-nographic", "-nodefaults", "-serial", "stdio", "-kernel", hafnium,
         "-initrd", initrd
     ]