diff --git a/src/southbridge/amd/cimx/sb800/lpc.c b/src/southbridge/amd/cimx/sb800/lpc.c
index a082e0c..de88d7c 100644
--- a/src/southbridge/amd/cimx/sb800/lpc.c
+++ b/src/southbridge/amd/cimx/sb800/lpc.c
@@ -158,10 +158,10 @@
 	switch (var_num) {
 	case 3:
 		pci_write_config16(dev, 0x90, reg_var[2]);
-		/* fall through */
+		__fallthrough;
 	case 2:
 		pci_write_config16(dev, 0x66, reg_var[1]);
-		/* fall through */
+		__fallthrough;
 	case 1:
 		//pci_write_config16(dev, 0x64, reg_var[0]); //cause filo can not find sata
 		break;