diff --git a/Makefile b/Makefile
index 45f5e306..2b1678fc 100644
--- a/Makefile
+++ b/Makefile
@@ -319,7 +319,7 @@ ifeq ($(OSARCH), amd64)
 QEMUHWACCELERATION = -machine q35 -enable-kvm
 QEMUMEMORY = -m 4G
 QEMU_DBG_SMP = -smp 1
-QEMU_DBG_MEMORY = -m 1G
+QEMU_DBG_MEMORY = -m 256M
 else ifeq ($(OSARCH), i386)
 QEMUHWACCELERATION = -machine q35 -enable-kvm
 QEMUMEMORY = -m 4G