diff --git a/example/sco_demo_util.c b/example/sco_demo_util.c
index dffef7bb0..cedd43636 100644
--- a/example/sco_demo_util.c
+++ b/example/sco_demo_util.c
@@ -640,7 +640,7 @@ void sco_demo_send(hci_con_handle_t sco_handle){
 
     if (sco_handle == HCI_CON_HANDLE_INVALID) return;
 
-    int sco_packet_length = hci_get_sco_packet_length();
+    int sco_packet_length = hci_get_sco_packet_length_for_connection(sco_handle);
     int sco_payload_length = sco_packet_length - 3;
 
     hci_reserve_packet_buffer();