diff --git a/src/system/kernel/arch/m68k/arch_cpu.cpp b/src/system/kernel/arch/m68k/arch_cpu.cpp
index f3dcfcd7c4..57a824f6ed 100644
--- a/src/system/kernel/arch/m68k/arch_cpu.cpp
+++ b/src/system/kernel/arch/m68k/arch_cpu.cpp
@@ -224,6 +224,8 @@ arch_cpu_shutdown(bool reboot)
 void
 arch_cpu_idle(void)
 {
+#warning M68K: use LPSTOP ?
+	//asm volatile ("lpstop");
 }