diff --git a/inc/llcc68.hpp b/inc/llcc68.hpp
index 362a8fa..e5c6534 100644
--- a/inc/llcc68.hpp
+++ b/inc/llcc68.hpp
@@ -487,7 +487,7 @@ set_dio2_as_rf_switch(const bool en) {
  * \sa SetPacketType
  */
 inline Result<Unit, error_t>
-set_packet_type_lora(uint8_t sf) {
+set_packet_type_lora() {
 	Result<Unit, error_t> res;
 	constexpr auto mod = RADIOLIB_SX126X_PACKET_TYPE_LORA;
 	uint8_t data[7];
@@ -1348,7 +1348,7 @@ static constexpr auto begin = [](const lora_parameters_t &params) -> Result<Unit
 	const auto &mod_params    = params.mod_params;
 	const auto &packet_params = params.packet_params;
 
-	res = set_packet_type_lora(mod_params.sf);
+	res = set_packet_type_lora();
 	APP_RADIO_RETURN_ERR_CTX(res, "config packet type");
 
 	res = get_device_error_print_and_clear(TAG);