diff --git a/nimble/host/src/ble_hs_hci.c b/nimble/host/src/ble_hs_hci.c
index 352273230..f8a64e931 100644
--- a/nimble/host/src/ble_hs_hci.c
+++ b/nimble/host/src/ble_hs_hci.c
@@ -413,6 +413,7 @@ ble_hs_hci_rx_evt(uint8_t *hci_ev, void *arg)
     return 0;
 }
 
+#if !(SOC_ESP_NIMBLE_CONTROLLER)
 /**
  * Calculates the largest ACL payload that the controller can accept.
  */
@@ -426,6 +427,7 @@ ble_hs_hci_max_acl_payload_sz(void)
      */
     return ble_hs_hci_buf_sz;
 }
+#endif
 
 /**
  * Allocates an mbuf to contain an outgoing ACL data fragment.
@@ -534,8 +536,11 @@ ble_hs_hci_acl_tx_now(struct ble_hs_conn *conn, struct os_mbuf **om)
 
     /* Send fragments until the entire packet has been sent. */
     while (txom != NULL && ble_hs_hci_avail_pkts > 0) {
-        frag = mem_split_frag(&txom, ble_hs_hci_max_acl_payload_sz(),
-                              ble_hs_hci_frag_alloc, NULL);
+#if SOC_ESP_NIMBLE_CONTROLLER
+        frag = mem_split_frag(&txom, BLE_ACL_MAX_PKT_SIZE, ble_hs_hci_frag_alloc, NULL);
+#else
+        frag = mem_split_frag(&txom, ble_hs_hci_max_acl_payload_sz(), ble_hs_hci_frag_alloc, NULL);
+#endif
         if (frag == NULL) {
             *om = txom;
             return BLE_HS_EAGAIN;