diff --git a/board/orangepi/common/genimage.cfg b/board/orangepi/common/genimage.cfg
index a61c4a039f..c748108ca0 100644
--- a/board/orangepi/common/genimage.cfg
+++ b/board/orangepi/common/genimage.cfg
@@ -7,7 +7,7 @@ image sdcard.img {
 	}
 
 	hdimage {
-		partition-table-type = gpt
+		partition-table-type = "gpt"
 		gpt-location = 1008K # 1MB - 16KB(GPT)
 		gpt-no-backup = true
 	}