diff --git a/kernel/sys.c b/kernel/sys.c
index 2bbd9a73b54c27..c1da757a97b0da 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -511,7 +511,7 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,
 	case LINUX_REBOOT_CMD_HALT:
 		kernel_halt();
 		do_exit(0);
-		panic("cannot halt");
+		panic("cannot halt.\n");
 
 	case LINUX_REBOOT_CMD_POWER_OFF:
 		kernel_power_off();