diff --git a/Inc/CanSerialPortFrameXCP.h b/Inc/CanSerialPortFrameXCP.h
index ed08429..29d545e 100644
--- a/Inc/CanSerialPortFrameXCP.h
+++ b/Inc/CanSerialPortFrameXCP.h
@@ -13,6 +13,8 @@
 #include "VarsTabDumpObserver.h"
 
 
+#define  XCP_CAN_HANDLER 1
+
 typedef enum {
     XCP_ERR_CMD_SYNCH = 0x00,
     XCP_ERR_CMD_BUSY = 0x10,
diff --git a/Src/CanSerialPortFrameXCP.c b/Src/CanSerialPortFrameXCP.c
index ae550c2..c15bc7f 100644
--- a/Src/CanSerialPortFrameXCP.c
+++ b/Src/CanSerialPortFrameXCP.c
@@ -368,7 +368,7 @@ static uint8_t XCP_COMMAND_UPLOAD_F5(tCanSerialPortFrameXCP *env) {
 #endif
             env->ioCanFrame->transmit(env->ioCanFrame->env, env->response, 1, PROTOCOL_CAN_ADR_XCP,
                                       PROTOCOL_CAN_TYPE_XCP,
-                                      1000);
+                                      1000, XCP_CAN_HANDLER);
 
             return 0;
         }
@@ -386,7 +386,7 @@ static uint8_t XCP_COMMAND_UPLOAD_F5(tCanSerialPortFrameXCP *env) {
 #endif
             env->ioCanFrame->transmit(env->ioCanFrame->env, env->response, 7 + 1, PROTOCOL_CAN_ADR_XCP,
                                       PROTOCOL_CAN_TYPE_XCP,
-                                      1000);
+                                      1000, XCP_CAN_HANDLER);
         }
 
         if (tailBlock > 0) {
@@ -398,7 +398,7 @@ static uint8_t XCP_COMMAND_UPLOAD_F5(tCanSerialPortFrameXCP *env) {
             LoggerFormatInfo(LOGGER, LOG_SIGN, "< [%d] %s", tailBlock + 1, strPrintfDebug_XCP)
 #endif
             env->ioCanFrame->transmit(env->ioCanFrame->env, env->response, tailBlock + 1, PROTOCOL_CAN_ADR_XCP,
-                                      PROTOCOL_CAN_TYPE_XCP, 1000);
+                                      PROTOCOL_CAN_TYPE_XCP, 1000, XCP_CAN_HANDLER);
         }
 
         return 0;
@@ -1642,7 +1642,7 @@ uint8_t vCanSerialPortFrameXcpReceive(tCanSerialPortFrameXCP *env, uint32 timeou
 
                     env->ioCanFrame->transmit(env->ioCanFrame->env, env->response, response_size,
                                               PROTOCOL_CAN_ADR_XCP,
-                                              PROTOCOL_CAN_TYPE_XCP, timeout);
+                                              PROTOCOL_CAN_TYPE_XCP, timeout, XCP_CAN_HANDLER);
                 }
 
             } else {