diff --git a/subsys/bluetooth/host/classic/shell/rfcomm.c b/subsys/bluetooth/host/classic/shell/rfcomm.c
index c55cba57133f..15bc21c74c76 100644
--- a/subsys/bluetooth/host/classic/shell/rfcomm.c
+++ b/subsys/bluetooth/host/classic/shell/rfcomm.c
@@ -33,7 +33,7 @@
 
 #define DATA_MTU 48
 
-NET_BUF_POOL_FIXED_DEFINE(pool, 1, DATA_MTU, 0, NULL);
+NET_BUF_POOL_FIXED_DEFINE(pool, 1, DATA_MTU, CONFIG_BT_CONN_TX_USER_DATA_SIZE, NULL);
 
 static struct bt_sdp_attribute spp_attrs[] = {
 	BT_SDP_NEW_SERVICE,