diff --git a/cube/User/Src/mbusComm.c b/cube/User/Src/mbusComm.c
index 64b375d..3d6c3c9 100644
--- a/cube/User/Src/mbusComm.c
+++ b/cube/User/Src/mbusComm.c
@@ -253,13 +253,16 @@ void mbusCommISR() {
     show(DEBUG_1, TOGGLE);
 
     uint32_t isrflags   = READ_REG(mbusUart.Instance->SR);
-    uint32_t cr1its     = READ_REG(mbusUart.Instance->CR1);
+    // 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)) {
+
+    if (((isrflags & USART_SR_RXNE) != RESET) || ((isrflags & USART_SR_ORE) != RESET)) {
         uint8_t data = (uint8_t)(mbusUart.Instance->DR & (uint8_t)0x00FF);
         coloredMsg(LOG_RED, false, "mbc isr 0x%02x", data);
         return;
+    } else {
+        coloredMsg(LOG_RED, false, "mbc isr error 0x%02x", isrflags);
     }
 }