diff --git a/app/uart.c b/app/uart.c
index 005f54d..64b4991 100644
--- a/app/uart.c
+++ b/app/uart.c
@@ -516,8 +516,9 @@ bool UART_IsCommandAvailable(void)
 
 void UART_HandleCommand(void)
 {
+    volatile uint16_t CMD_ID=UART_Command.Header.ID;
   //  UART_Send((uint8_t *)&UART_Command.Header.ID,2);
-    switch (UART_Command.Header.ID)
+    switch (CMD_ID)
     {
         case 0x0514:
             CMD_0514(UART_Command.Buffer);