diff --git a/arch/arm/src/stm32/stm32_lowputc.c b/arch/arm/src/stm32/stm32_lowputc.c
index 63e70904345..3c87b6e986f 100644
--- a/arch/arm/src/stm32/stm32_lowputc.c
+++ b/arch/arm/src/stm32/stm32_lowputc.c
@@ -413,7 +413,7 @@ void up_lowputc(char ch)
 #ifdef HAVE_CONSOLE
   /* Wait until the TX data register is empty */
 
-  while ((getreg32(STM32_CONSOLE_BASE + STM32_USART_SR_OFFSET) & USART_SR_TXE) == 0);
+  while ((getreg32(STM32_CONSOLE_BASE + STM32_USART_SR_OFFSET) & USART_SR_TC) == 0);
 #ifdef STM32_CONSOLE_RS485_DIR
   stm32_gpiowrite(STM32_CONSOLE_RS485_DIR, STM32_CONSOLE_RS485_DIR_POLARITY);
 #endif