diff --git a/ArbiterCommand.c b/ArbiterCommand.c
index bd2e79e..eeac265 100644
--- a/ArbiterCommand.c
+++ b/ArbiterCommand.c
@@ -42,7 +42,7 @@ void SerialCommand_Scheduler(tTaskSerial *env) {
 
             uint8_t size = iAsciiStringParseHexBytes(data, &env->At.rxBuffer.data[7], len);
 
-            env->ioCAN->transmit(env->ioCAN->env, data, size, adr, 0, env->numberMailBox, 1000);
+            uint16_t sent =  env->ioCAN->transmit(env->ioCAN->env, data, size, adr, 0, env->numberMailBox, 1000);
 
             sendOk(&env->At);
         }