diff --git a/src/chipset/via_vt82c49x.c b/src/chipset/via_vt82c49x.c
index f8a5bb593..3a7bbfdda 100644
--- a/src/chipset/via_vt82c49x.c
+++ b/src/chipset/via_vt82c49x.c
@@ -193,6 +193,8 @@ vt82c49x_recalc(vt82c49x_t *dev)
         default:
             break;
     }
+
+    flushmmucache_nopc();
 }
 
 static void