diff --git a/board/orangepi/orangepi-r1/genimage.cfg b/board/orangepi/orangepi-r1/genimage.cfg
index e93e802bd9..61d13fe7fc 100644
--- a/board/orangepi/orangepi-r1/genimage.cfg
+++ b/board/orangepi/orangepi-r1/genimage.cfg
@@ -28,7 +28,7 @@ image sdcard.img {
 	}
 
 	partition boot {
-		partition-type-uuid = "U"
+		partition-type-uuid = U
 		bootable = "true"
 		image = "boot.vfat"
 	}
@@ -36,7 +36,7 @@ image sdcard.img {
 	# 'rootfs' will be used as the partition label, used
 	# with root=PARTLABEL=rootfs kernel command line
 	partition rootfs {
-		partition-type-uuid = "L"
+		partition-type-uuid = L
 		image = "rootfs.ext4"
 		size = 512M
 	}