diff --git a/main/app_serial.cpp b/main/app_serial.cpp
index d964d87..344f567 100644
--- a/main/app_serial.cpp
+++ b/main/app_serial.cpp
@@ -24,6 +24,7 @@ QueueHandle_t setupSerial(const uart_port_t uart)
     .parity = UART_PARITY_DISABLE,
     .stop_bits = UART_STOP_BITS_1,
     .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
+    .rx_flow_ctrl_thresh = UART_HW_FLOWCTRL_DISABLE,
     .source_clk = UART_SCLK_DEFAULT,
   };