diff --git a/src/main/drivers/serial_uart_init.c b/src/main/drivers/serial_uart_init.c
index 96f4ec25e..8852e2472 100644
--- a/src/main/drivers/serial_uart_init.c
+++ b/src/main/drivers/serial_uart_init.c
@@ -79,7 +79,12 @@ void uartReconfigure(uartPort_t *uartPort)
 
     // according to the stm32 documentation wordlen has to be 9 for parity bits
     // this does not seem to matter for rx but will give bad data on tx!
-    if (uartPort->port.options & SERIAL_PARITY_EVEN) {
+    // This seems to cause RX to break on STM32F1, see https://github.com/betaflight/betaflight/pull/1654
+    if (
+#if defined(STM32F1)
+            false &&
+#endif
+            (uartPort->port.options & SERIAL_PARITY_EVEN)) {
         USART_InitStructure.USART_WordLength = USART_WordLength_9b;
     } else {
         USART_InitStructure.USART_WordLength = USART_WordLength_8b;