diff --git a/tools/firmware-utils/src/mktplinkfw.c b/tools/firmware-utils/src/mktplinkfw.c
index 8f1e42eebb2..170188c95d8 100644
--- a/tools/firmware-utils/src/mktplinkfw.c
+++ b/tools/firmware-utils/src/mktplinkfw.c
@@ -39,6 +39,7 @@
 #define HWID_TL_WA901ND_V2	0x09010002
 #define HWID_TL_WR741ND_V1	0x07410001
 #define HWID_TL_WR740N_V1	0x07400001
+#define HWID_TL_WR740N_V3	0x07400300
 #define HWID_TL_WR841N_V1_5	0x08410002
 #define HWID_TL_WR841ND_V3	0x08410003
 #define HWID_TL_WR841ND_V5	0x08410005
@@ -168,6 +169,14 @@ static struct board_info boards[] = {
 		.kernel_la	= 0x80060000,
 		.kernel_ep	= 0x80060000,
 		.rootfs_ofs	= 0x140000,
+	}, {
+		.id		= "TL-WR740Nv3",
+		.hw_id		= HWID_TL_WR740N_V3,
+		.hw_rev		= 1,
+		.fw_max_len	= 0x3c0000,
+		.kernel_la	= 0x80060000,
+		.kernel_ep	= 0x80060000,
+		.rootfs_ofs	= 0x140000,
 	}, {
 		.id		= "TL-WR841Nv1.5",
 		.hw_id		= HWID_TL_WR841N_V1_5,