diff --git a/firmware/hw_layer/drivers/can/can_msg_tx.cpp b/firmware/hw_layer/drivers/can/can_msg_tx.cpp
index 8c8984555c..a1e5d54a2d 100644
--- a/firmware/hw_layer/drivers/can/can_msg_tx.cpp
+++ b/firmware/hw_layer/drivers/can/can_msg_tx.cpp
@@ -26,8 +26,8 @@ extern int canWriteNotOk;
 	s_device = device;
 }
 
-CanTxMessage::CanTxMessage(uint32_t eid, uint8_t dlc) {
-	m_frame.IDE = CAN_IDE_STD;
+CanTxMessage::CanTxMessage(uint32_t eid, uint8_t dlc, bool isExtended) {
+	m_frame.IDE = isExtended ? CAN_IDE_EXT : CAN_IDE_STD;
 	m_frame.EID = eid;
 	m_frame.RTR = CAN_RTR_DATA;
 	m_frame.DLC = dlc;
diff --git a/firmware/hw_layer/drivers/can/can_msg_tx.h b/firmware/hw_layer/drivers/can/can_msg_tx.h
index 2ac51fe22c..d15aa3cdd4 100644
--- a/firmware/hw_layer/drivers/can/can_msg_tx.h
+++ b/firmware/hw_layer/drivers/can/can_msg_tx.h
@@ -28,7 +28,7 @@ public:
 	/**
 	 * Create a new CAN message, with the specified extended ID.
 	 */
-	explicit CanTxMessage(uint32_t eid, uint8_t dlc = 8);
+	explicit CanTxMessage(uint32_t eid, uint8_t dlc = 8, bool isExtended = false);
 
 	/**
 	 * Destruction of an instance of CanTxMessage will transmit the message over the wire.