diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index b64c5c7b2a508b5f5f1816705725918cdcbf4652..cc5efa149da181b031ae7b1be504d297922657dc 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -325,7 +325,7 @@ at86rf230_read_subreg(struct at86rf230_local *lp,
 	int rc;
 
 	rc = __at86rf230_read(lp, addr, data);
-	if (rc > 0)
+	if (!rc)
 		*data = (*data & mask) >> shift;
 
 	return rc;