diff --git a/cube/User/Src/mbusComm.c b/cube/User/Src/mbusComm.c
index 60debf5..c0d8d83 100644
--- a/cube/User/Src/mbusComm.c
+++ b/cube/User/Src/mbusComm.c
@@ -251,6 +251,16 @@ static void parseAndPrintFrame() {
 void mbusCommISR() {
 //     coloredMsg(LOG_RED, false, "mbc isr");
     show(DEBUG_1, TOGGLE);
+
+    uint32_t isrflags   = READ_REG(mbusUart.Instance->SR);
+    uint32_t cr1its     = READ_REG(mbusUart.Instance->CR1);
+    uint32_t cr3its     = READ_REG(mbusUart.Instance->CR3);
+
+    if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET)) {
+        uint8_t data = (uint8_t)(mbusUart.Instance->DR & (uint8_t)0x00FF);
+
+        return;
+    }
 }
 
 void mbusCommExec() {