diff --git a/uboot-mtk-20220606/board/mediatek/common/upgrade_helper.c b/uboot-mtk-20220606/board/mediatek/common/upgrade_helper.c
index ec168ee30..fb6e7407e 100644
--- a/uboot-mtk-20220606/board/mediatek/common/upgrade_helper.c
+++ b/uboot-mtk-20220606/board/mediatek/common/upgrade_helper.c
@@ -14,6 +14,7 @@
 #include <part_efi.h>
 #include <spi.h>
 #include <mtd.h>
+#include <env.h>
 #include <linux/bitops.h>
 #include <linux/sizes.h>
 #include <linux/types.h>