diff --git a/include/btstack/hci_cmds.h b/include/btstack/hci_cmds.h
index 31cc9ffba..7ebe40abd 100644
--- a/include/btstack/hci_cmds.h
+++ b/include/btstack/hci_cmds.h
@@ -274,6 +274,7 @@ extern const hci_cmd_t hci_reset;
 extern const hci_cmd_t hci_role_discovery;
 extern const hci_cmd_t hci_set_event_mask;
 extern const hci_cmd_t hci_set_connection_encryption;
+extern const hci_cmd_t hci_sniff_mode;
 extern const hci_cmd_t hci_switch_role_command;
 extern const hci_cmd_t hci_write_authentication_enable;
 extern const hci_cmd_t hci_write_class_of_device;
diff --git a/src/hci_cmds.c b/src/hci_cmds.c
index 008b796a3..d71ca04c4 100644
--- a/src/hci_cmds.c
+++ b/src/hci_cmds.c
@@ -228,6 +228,10 @@ OPCODE(OGF_LINK_CONTROL, 0x1A), "B"
 /**
  *  Link Policy Commands 
  */
+const hci_cmd_t hci_sniff_mode = {
+OPCODE(OGF_LINK_POLICY, 0x03), "H2222"
+// handle, Sniff_Max_Interval, Sniff_Min_Interval, Sniff_Attempt, Sniff_Timeout:
+};
 const hci_cmd_t hci_qos_setup = {
 OPCODE(OGF_LINK_POLICY, 0x07), "H114444"
 // handle, flags, service_type, token rate (bytes/s), peak bandwith (bytes/s),