diff --git a/src/cpu/386_common.c b/src/cpu/386_common.c
index ea9cc1126..dcbe3608c 100644
--- a/src/cpu/386_common.c
+++ b/src/cpu/386_common.c
@@ -1021,7 +1021,7 @@ smram_restore_state_p6(uint32_t *saved_state)
         rammask |= 0x3000000;
 
     if (saved_state[SMRAM_FIELD_P6_A20M] & 0x01)
-        rammask &= ~0xffefffff;
+        rammask &= 0xffefffff;
 
     flushmmucache();