diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index fea8b681f567c..fd9f33c833fa3 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -2977,8 +2977,8 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw)
 	ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND;
 	ca8210_hw->phy->cca_ed_level = -9800;
 	ca8210_hw->phy->symbol_duration = 16;
-	ca8210_hw->phy->lifs_period = 40;
-	ca8210_hw->phy->sifs_period = 12;
+	ca8210_hw->phy->lifs_period = 40 * ca8210_hw->phy->symbol_duration;
+	ca8210_hw->phy->sifs_period = 12 * ca8210_hw->phy->symbol_duration;
 	ca8210_hw->flags =
 		IEEE802154_HW_AFILT |
 		IEEE802154_HW_OMIT_CKSUM |