diff --git a/components/vfs/vfs_uart.c b/components/vfs/vfs_uart.c
index a882042088..8fbe1f97d6 100644
--- a/components/vfs/vfs_uart.c
+++ b/components/vfs/vfs_uart.c
@@ -875,7 +875,7 @@ static int uart_tcgetattr(int fd, struct termios *p)
     }
 
     {
-        uint32_t baudrate;
+        uint32_t baudrate = 0;
         if (uart_get_baudrate(fd, &baudrate) != ESP_OK) {
             errno = EINVAL;
             return -1;