diff --git a/arch/x86_64/QEMU.cmake b/arch/x86_64/QEMU.cmake
index 5c7dbc4..f1a9474 100644
--- a/arch/x86_64/QEMU.cmake
+++ b/arch/x86_64/QEMU.cmake
@@ -8,7 +8,8 @@ find_program(LLDB lldb)
 find_program(GDB gdb)
 
 set(patched_kernel ${CMAKE_CURRENT_BINARY_DIR}/kernel/${kernel_name}.elf32)
-set(generic_flags -m 1G)
+set(generic_flags -m 128M -cpu qemu64,+rdrand)
+
 set(no_debug_flags)
 
 if (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Linux")