diff --git a/libraries/BLE/src/BLEAdvertising.cpp b/libraries/BLE/src/BLEAdvertising.cpp
index 58f371ed981..d6bcdb9bce6 100644
--- a/libraries/BLE/src/BLEAdvertising.cpp
+++ b/libraries/BLE/src/BLEAdvertising.cpp
@@ -91,6 +91,10 @@ void BLEAdvertising::setAdvertisementType(esp_ble_adv_type_t adv_type){
 	m_advParams.adv_type = adv_type;
 } // setAdvertisementType
 
+void BLEAdvertising::setAdvertisementChannelMap(esp_ble_adv_channel_t channel_map) {
+	m_advParams.channel_map = channel_map;
+} // setAdvertisementChannelMap
+
 void BLEAdvertising::setMinInterval(uint16_t mininterval) {
 	m_advParams.adv_int_min = mininterval;
 } // setMinInterval
diff --git a/libraries/BLE/src/BLEAdvertising.h b/libraries/BLE/src/BLEAdvertising.h
index f1f0c66498f..530df9e6518 100644
--- a/libraries/BLE/src/BLEAdvertising.h
+++ b/libraries/BLE/src/BLEAdvertising.h
@@ -53,6 +53,7 @@ class BLEAdvertising {
 	void stop();
 	void setAppearance(uint16_t appearance);
 	void setAdvertisementType(esp_ble_adv_type_t adv_type);
+	void setAdvertisementChannelMap(esp_ble_adv_channel_t channel_map);
 	void setMaxInterval(uint16_t maxinterval);
 	void setMinInterval(uint16_t mininterval);
 	void setAdvertisementData(BLEAdvertisementData& advertisementData);