diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig
index b645af561579a41c71b3a22c656375a6ae0e7752..be4ca8802e8e131356b7d72599aeb911ced93f85 100644
--- a/configs/firefly-rk3288_defconfig
+++ b/configs/firefly-rk3288_defconfig
@@ -42,5 +42,6 @@ CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550=y
 CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_USE_TINY_PRINTF=y
 CONFIG_CMD_DHRYSTONE=y
 CONFIG_ERRNO_STR=y