diff --git a/target/linux/ar71xx/image/mikrotik.mk b/target/linux/ar71xx/image/mikrotik.mk
index f381f85ae2..b13bbdc183 100644
--- a/target/linux/ar71xx/image/mikrotik.mk
+++ b/target/linux/ar71xx/image/mikrotik.mk
@@ -50,6 +50,6 @@ define Device/rb-nor-flash-16M-ac
   $(Device/rb-nor-flash-16M)
   DEVICE_TITLE := MikroTik RouterBoard (16 MB SPI NOR, 802.11ac)
   DEVICE_PACKAGES += kmod-ath10k ath10k-firmware-qca988x ath10k-firmware-qca9887
-  SUPPORTED_DEVICES := rb-wapg-5hact2hnd
+  SUPPORTED_DEVICES += rb-wapg-5hact2hnd
 endef
 TARGET_DEVICES += rb-nor-flash-16M-ac