diff --git a/Core/user/usart2_it.c b/Core/user/usart2_it.c
index d3edc99..43b39b6 100644
--- a/Core/user/usart2_it.c
+++ b/Core/user/usart2_it.c
@@ -79,9 +79,9 @@ void USART2_IRQHandler(void) {
          rd = (rd + 1) & USART2_TXBUF_MASK;              // new read index
          USART2->DR = Usart2TxBuf[rd];                   // send data byte
          Usart2TxRdIdx = rd;                             // Store new index
-         if (wr == rd) {                                 // data buffer empty
-            USART2->CR1 &= ~USART_CR1_TXEIE;             // INT disable
-         }
+      }
+      if (wr == rd) {                                    // data buffer empty
+         USART2->CR1 &= ~USART_CR1_TXEIE;                // INT disable
       }
    }
 }
diff --git a/Core/user/usart6_it.c b/Core/user/usart6_it.c
index bcdaae3..8fe7de6 100644
--- a/Core/user/usart6_it.c
+++ b/Core/user/usart6_it.c
@@ -79,9 +79,9 @@ void USART6_IRQHandler(void) {
          rd = (rd + 1) & USART6_TXBUF_MASK;              // new read index
          USART6->DR = Usart6TxBuf[rd];                   // send data byte
          Usart6TxRdIdx = rd;                             // Store new index
-         if (wr == rd) {                                 // data buffer empty
-            USART6->CR1 &= ~USART_CR1_TXEIE;             // INT disable
-         }
+      }
+      if (wr == rd) {                                    // data buffer empty
+         USART6->CR1 &= ~USART_CR1_TXEIE;                // INT disable
       }
    }
 }