diff --git a/platform/embedded/hci_dump_embedded_stdout.c b/platform/embedded/hci_dump_embedded_stdout.c
index 56131aaf1..65b81459f 100644
--- a/platform/embedded/hci_dump_embedded_stdout.c
+++ b/platform/embedded/hci_dump_embedded_stdout.c
@@ -89,6 +89,13 @@ static void hci_dump_embedded_stdout_packet(uint8_t packet_type, uint8_t in, uin
                 printf("SCO => ");
             }
             break;
+        case HCI_ISO_DATA_PACKET:
+            if (in) {
+                printf("ISO <= ");
+            } else {
+                printf("ISO => ");
+            }
+            break;
         case LOG_MESSAGE_PACKET:
             printf("LOG -- %s\n", (char*) packet);
             return;
diff --git a/platform/embedded/hci_dump_segger_rtt_stdout.c b/platform/embedded/hci_dump_segger_rtt_stdout.c
index c5a44df5e..b5d6eec5e 100644
--- a/platform/embedded/hci_dump_segger_rtt_stdout.c
+++ b/platform/embedded/hci_dump_segger_rtt_stdout.c
@@ -140,6 +140,13 @@ static void hci_dump_segger_rtt_stdout_packet(uint8_t packet_type, uint8_t in, u
                 SEGGER_RTT_printf(0, "SCO => ");
             }
             break;
+        case HCI_ISO_DATA_PACKET:
+            if (in) {
+                SEGGER_RTT_printf(0, "ISO <= ");
+            } else {
+                SEGGER_RTT_printf(0, "ISO => ");
+            }
+            break;
         default:
             return;
     }
diff --git a/platform/posix/hci_dump_posix_stdout.c b/platform/posix/hci_dump_posix_stdout.c
index 1a0f9f562..1b7e448be 100644
--- a/platform/posix/hci_dump_posix_stdout.c
+++ b/platform/posix/hci_dump_posix_stdout.c
@@ -95,6 +95,13 @@ static void hci_dump_posix_stdout_packet(uint8_t packet_type, uint8_t in, uint8_
                 printf("SCO => ");
             }
             break;
+        case HCI_ISO_DATA_PACKET:
+            if (in) {
+                printf("ISO <= ");
+            } else {
+                printf("ISO => ");
+            }
+            break;
         case LOG_MESSAGE_PACKET:
             printf("LOG -- %s\n", (char*) packet);
             return;