diff --git a/kernel/busses/i2c-i801.c b/kernel/busses/i2c-i801.c
index eea020b9..4fc5e385 100644
--- a/kernel/busses/i2c-i801.c
+++ b/kernel/busses/i2c-i801.c
@@ -537,6 +537,11 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
 		ret = i801_transaction();
 	}
 
+	/* Some BIOSes don't like it when PEC is enabled at reboot or resume
+	   time, so we forcibly disable it after every transaction. */
+	if (hwpec)
+		outb_p(0, SMBAUXCTL);
+
 	if(block)
 		return ret;
 	if(ret)