diff --git a/main.c b/main.c
diff --git a/main.hex b/main.hex
diff --git a/uart.c b/uart.c
@@ -224,7 +224,8 @@ ISR(UART0_RECEIVE_INTERRUPT)
 #endif
     */
 
-    uart_handle(data);
+    if (!(UCSR0A & (_BV(FE0) | _BV(DOR0))))
+        uart_handle(data);
 }