diff --git a/306-controller_interface.X/middleware/can_interface.c b/306-controller_interface.X/middleware/can_interface.c
index 2656dc9..cac0487 100644
--- a/306-controller_interface.X/middleware/can_interface.c
+++ b/306-controller_interface.X/middleware/can_interface.c
@@ -52,7 +52,7 @@ bool CAN_processEvent(Event* ev) {
             if (ev->id == evCAsend) {
                 uCAN_MSG canMsg;
                 canMsg.frame.idType = 0;    // I don't understand what is it
-                canMsg.frame.dlc = 8;       // 8 bytes to send
+                canMsg.frame.dlc = 4;       // 4 bytes to send
                 canMsg.frame.rtr = 0;       // no remote frame
                 canMsg.frame.data0 = (uint8_t) data;
                 data = data >> 8;