diff --git a/306-controller_interface.X/middleware/can_interface.h b/306-controller_interface.X/middleware/can_interface.h
index 79d7655..b76967b 100644
--- a/306-controller_interface.X/middleware/can_interface.h
+++ b/306-controller_interface.X/middleware/can_interface.h
@@ -83,7 +83,7 @@ void CAN_Send(uint8_t idRecipient, uint8_t idMsg, uint32_t data);
 
 void CAN_send_4_bytes(uint8_t idRecipient, uint8_t idMsg, uint8_t byte0, uint8_t byte1, uint8_t byte2, uint8_t byte3);
 void CAN_send_2_bytes(uint8_t idRecipient, uint8_t idMsg, uint16_t data);
-void CAN_send_1_byte(uint8_t idRecipient, uint8_t idMsg, uint8_t byte0);
+void CAN_send_1_byte(uint8_t idRecipient, uint8_t idMsg, uint8_t data);
 void CAN_send_0_byte(uint8_t idRecipient, uint8_t idMsg);
 
 /***********