diff --git a/README.md b/README.md
index f937fd7..00ad04a 100644
--- a/README.md
+++ b/README.md
@@ -90,23 +90,18 @@ void USART1_IRQHandler(void)
   uint32_t isrflags = READ_REG(huart1.Instance->SR);
   uint32_t cr1its = READ_REG(huart1.Instance->CR1);
 
-  uint32_t errorflags = 0x00U;
-  /* If no error occurs */
-  errorflags = (isrflags & (uint32_t)(USART_SR_PE | USART_SR_FE | USART_SR_ORE | USART_SR_NE));
-  if (errorflags == RESET)
+  /* UART in mode Receiver -------------------------------------------------*/
+  if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
   {
-    /* UART in mode Receiver -------------------------------------------------*/
-    if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
-    {
-      mbMasterStack.peMBMasterFrameCBByteReceivedCur((void *)&mbMasterStack);
-      return;
-    }
-    if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
-    {
-      mbMasterStack.peMBMasterFrameCBTransmitterEmptyCur((void *)&mbMasterStack);
-      return;
-    }
+    mbMasterStack.peMBMasterFrameCBByteReceivedCur((void *)&mbMasterStack);
+    return;
   }
+  if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
+  {
+    mbMasterStack.peMBMasterFrameCBTransmitterEmptyCur((void *)&mbMasterStack);
+    return;
+  }
+  
   /* USER CODE END USART1_IRQn 0 */
   HAL_UART_IRQHandler(&huart1);
   /* USER CODE BEGIN USART1_IRQn 1 */
@@ -128,23 +123,18 @@ void USART2_IRQHandler(void)
   uint32_t isrflags = READ_REG(huart2.Instance->SR);
   uint32_t cr1its = READ_REG(huart2.Instance->CR1);
 
-  uint32_t errorflags = 0x00U;
-  /* If no error occurs */
-  errorflags = (isrflags & (uint32_t)(USART_SR_PE | USART_SR_FE | USART_SR_ORE | USART_SR_NE));
-  if (errorflags == RESET)
+  /* UART in mode Receiver -------------------------------------------------*/
+  if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
   {
-    /* UART in mode Receiver -------------------------------------------------*/
-    if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
-    {
-      mbStack.peMBFrameCBByteReceivedCur((void *)&mbStack);
-      return;
-    }
-    if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
-    {
-      mbStack.peMBFrameCBTransmitterEmptyCur((void *)&mbStack);
-      return;
-    }
+    mbStack.peMBFrameCBByteReceivedCur((void *)&mbStack);
+    return;
   }
+  if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
+  {
+    mbStack.peMBFrameCBTransmitterEmptyCur((void *)&mbStack);
+    return;
+  }
+  
   /* USER CODE END USART2_IRQn 0 */
   HAL_UART_IRQHandler(&huart2);
   /* USER CODE BEGIN USART2_IRQn 1 */