diff --git a/nimble/host/src/ble_l2cap_coc.c b/nimble/host/src/ble_l2cap_coc.c
index b79aaea16..4dd2a9356 100644
--- a/nimble/host/src/ble_l2cap_coc.c
+++ b/nimble/host/src/ble_l2cap_coc.c
@@ -247,7 +247,7 @@ ble_l2cap_coc_chan_alloc(uint16_t conn_handle, uint16_t psm, uint16_t mtu,
     chan->cb = cb;
     chan->cb_arg = cb_arg;
     chan->scid = ble_l2cap_coc_get_cid();
-    chan->my_mtu = BLE_L2CAP_COC_MTU;
+    chan->my_mtu = MYNEWT_VAL(BLE_L2CAP_COC_MTU);
     chan->rx_fn = ble_l2cap_coc_rx_fn;
     chan->coc_rx.mtu = mtu;
     chan->coc_rx.sdu = sdu_rx;
diff --git a/nimble/host/src/ble_l2cap_coc_priv.h b/nimble/host/src/ble_l2cap_coc_priv.h
index 90d4d0200..dc9821402 100644
--- a/nimble/host/src/ble_l2cap_coc_priv.h
+++ b/nimble/host/src/ble_l2cap_coc_priv.h
@@ -30,7 +30,6 @@
 extern "C" {
 #endif
 
-#define BLE_L2CAP_COC_MTU                       100
 #define BLE_L2CAP_COC_CID_START                 0x0040
 #define BLE_L2CAP_COC_CID_END                   0x007F