diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c
index 4b1818313a..9bb9b7d3b8 100644
--- a/drivers/serial/serial_zynq.c
+++ b/drivers/serial/serial_zynq.c
@@ -108,7 +108,7 @@ static void _uart_zynq_serial_init(struct uart_zynq *regs)
 
 static int _uart_zynq_serial_putc(struct uart_zynq *regs, const char c)
 {
-	if (CONFIG_IS_ENABLED(DEBUG_UART_ZYNQ)) {
+	if (IS_ENABLED(CONFIG_DEBUG_UART_ZYNQ)) {
 		if (!(readl(&regs->channel_sts) & ZYNQ_UART_SR_TXEMPTY))
 			return -EAGAIN;
 	} else {