diff --git a/subsys/bluetooth/controller/hal/radio.h b/subsys/bluetooth/controller/hal/radio.h
index 6e3c9e0fe6b..bef80054b25 100644
--- a/subsys/bluetooth/controller/hal/radio.h
+++ b/subsys/bluetooth/controller/hal/radio.h
@@ -22,10 +22,10 @@ void radio_aa_set(u8_t *aa);
 void radio_pkt_configure(u8_t bits_len, u8_t max_len, u8_t flags);
 void radio_pkt_rx_set(void *rx_packet);
 void radio_pkt_tx_set(void *tx_packet);
-uint32_t radio_tx_ready_delay_get(u8_t phy, u8_t flags);
-uint32_t radio_tx_chain_delay_get(u8_t phy, u8_t flags);
-uint32_t radio_rx_ready_delay_get(u8_t phy);
-uint32_t radio_rx_chain_delay_get(u8_t phy, u8_t flags);
+u32_t radio_tx_ready_delay_get(u8_t phy, u8_t flags);
+u32_t radio_tx_chain_delay_get(u8_t phy, u8_t flags);
+u32_t radio_rx_ready_delay_get(u8_t phy);
+u32_t radio_rx_chain_delay_get(u8_t phy, u8_t flags);
 void radio_rx_enable(void);
 void radio_tx_enable(void);
 void radio_disable(void);