diff --git a/cube/User/Src/mbusComm.c b/cube/User/Src/mbusComm.c
index 0eaba11..a8569bc 100644
--- a/cube/User/Src/mbusComm.c
+++ b/cube/User/Src/mbusComm.c
@@ -259,6 +259,7 @@ void mbusCommISR() {
     show(DEBUG_1, TOGGLE);
 
     uint32_t isrflags   = READ_REG(mbusUart.Instance->SR);
+    uint32_t cr1its     = READ_REG(mbusUart.Instance->CR1);
 
     if (((isrflags & USART_SR_RXNE) != RESET) || ((isrflags & USART_SR_ORE) != RESET)) {
         if ((isrflags & USART_SR_ORE) != RESET) {
@@ -274,7 +275,7 @@ void mbusCommISR() {
         }
     } 
     
-    if ((isrflags & USART_SR_TXE) != RESET) {
+    if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET)) {
         coloredMsg(LOG_RED, false, "TXE");
         if (mbusCommHandle.sendBuffer.readIdx < mbusCommHandle.sendBuffer.writeIdx) {
             mbusUart.Instance->DR = mbusCommHandle.sendBuffer.buffer[mbusCommHandle.sendBuffer.readIdx];