diff --git a/src/northbridge/intel/sandybridge/raminit_mrc.c b/src/northbridge/intel/sandybridge/raminit_mrc.c
index 8b5619c..cc820cd 100644
--- a/src/northbridge/intel/sandybridge/raminit_mrc.c
+++ b/src/northbridge/intel/sandybridge/raminit_mrc.c
@@ -275,7 +275,7 @@
 	/* MRC only supports fixed numbers of frequencies */
 	default:
 		printk(BIOS_WARNING, "RAMINIT: Limiting DDR3 clock to 800 Mhz\n");
-		/* fallthrough */
+		__fallthrough;
 	case 400:
 		pei_data->max_ddr3_freq = 800;
 		break;