diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index ed86f1df5dc..b9d47f5e870 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -515,7 +515,7 @@ int board_mmc_init(struct bd_info *bis)
 	return 0;
 }
 
-#if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
+#ifdef CONFIG_SYS_MMC_ENV_DEV
 int mmc_get_env_dev(void)
 {
 	switch (sunxi_get_boot_device()) {