1 files changed, 2 insertions, 2 deletions
diff --git a/src/vendorcode/amd/pi/00670F00/Proc/Fch/Common/FchLib.c b/src/vendorcode/amd/pi/00670F00/Proc/Fch/Common/FchLib.c
index 5836e5c1763c..031027eedf8b 100644
--- a/src/vendorcode/amd/pi/00670F00/Proc/Fch/Common/FchLib.c
+++ b/src/vendorcode/amd/pi/00670F00/Proc/Fch/Common/FchLib.c
@@ -375,7 +375,7 @@ RwAlink (
     WriteAlink ((FCH_AX_INDXP_REG38 | AccessType), Index & 0x1FFFFFFF, StdHeader);
     Index = FCH_AX_DATAP_REG3C | AccessType;
   }
-  WriteAlink (Index, ReadAlink (Index, StdHeader) & AndMask | OrMask, StdHeader);
+  WriteAlink (Index, (ReadAlink (Index, StdHeader) & AndMask) | OrMask, StdHeader);
 }
 
 
@@ -669,4 +669,4 @@ ClearAllSmiStatus (
   for ( Index = 0; Index < 20; Index++ ) {
     ACPIMMIO8 (0xfed80280 + Index) |= 0;
   }
-}
-\ No newline at end of file
+}