diff --git a/package/kernel/mac80211/patches/brcm/300-brcmfmac-add-stub-for-monitor-interface-xmit.patch b/package/kernel/mac80211/patches/brcm/500-brcmfmac-add-stub-for-monitor-interface-xmit.patch.patch
similarity index 100%
rename from package/kernel/mac80211/patches/brcm/300-brcmfmac-add-stub-for-monitor-interface-xmit.patch
rename to package/kernel/mac80211/patches/brcm/500-brcmfmac-add-stub-for-monitor-interface-xmit.patch.patch
diff --git a/target/linux/bcm27xx/base-files/lib/preinit/82_set_wifi_vht b/target/linux/bcm27xx/base-files/lib/preinit/82_set_wifi_vht
new file mode 100644
index 0000000000..58237ad822
--- /dev/null
+++ b/target/linux/bcm27xx/base-files/lib/preinit/82_set_wifi_vht
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set_wifi_vht() {
+    case "$(board_name)" in
+    raspberrypi,4-model-b)
+        sed -i 's/VHT80/VHT40/g' /lib/wifi/mac80211.sh
+        ;;
+    esac
+}
+
+boot_hook_add preinit_main set_wifi_vht