diff --git a/target/linux/ar71xx/base-files/lib/upgrade/openmesh.sh b/target/linux/ar71xx/base-files/lib/upgrade/openmesh.sh
index 9ca0f5be4d7f230c06af5deafe51543cb1bf4cfa..1cfead9ada5f28d7e9264f4d72c8ea5f683ae730 100644
--- a/target/linux/ar71xx/base-files/lib/upgrade/openmesh.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/openmesh.sh
@@ -72,6 +72,11 @@ platform_check_image_openmesh()
 			echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
 			return 1
 			;;
+		OM5PAC)
+			[ "$board" = "om5p-ac" ] && break
+			echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
+			return 1
+			;;
 		MR1750)
 			[ "$board" = "mr1750" ] && break
 			echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
@@ -162,7 +167,7 @@ platform_do_upgrade_openmesh()
 			kernel_start_addr1=0x9f1c0000
 			kernel_start_addr2=0x9f8c0000
 			;;
-		OM5P|MR600|MR900|MR1750)
+		OM5P|OM5PAC|MR600|MR900|MR1750)
 			block_size=$((64 * 1024))
 			total_size=7995392
 			kernel_start_addr1=0x9f0b0000
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index 923e02b9fc01549330941a10bc0f15ccc7ab69be..fee9d6391ca29fcc3ae8d4f7e620893875cc742d 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -322,7 +322,8 @@ platform_check_image() {
 	om2p-hsv2 | \
 	om2p-lc | \
 	om5p | \
-	om5p-an)
+	om5p-an | \
+	om5p-ac)
 		platform_check_image_openmesh "$magic_long" "$1" && return 0
 		return 1
 		;;
@@ -575,7 +576,8 @@ platform_do_upgrade() {
 	om2p-hsv2 | \
 	om2p-lc | \
 	om5p | \
-	om5p-an)
+	om5p-an | \
+	om5p-ac)
 		platform_do_upgrade_openmesh "$ARGV"
 		;;
 	unifi-outdoor-plus | \