diff --git a/batman-adv/patches/0005-fix-batadv_is_cfg80211_netdev.patch b/batman-adv/patches/0005-fix-batadv_is_cfg80211_netdev.patch
new file mode 100644
index 0000000..9ac66b8
--- /dev/null
+++ b/batman-adv/patches/0005-fix-batadv_is_cfg80211_netdev.patch
@@ -0,0 +1,19 @@
+From: Alexandru Gagniuc <mr.nuke.me@gmail.com>
+Date: Thu, 6 Apr 2023 18:05:50 -0500
+Subject: fix batadv_is_cfg80211_netdev
+
+Replace CONFIG_CFG80211 with CPTCFG_CFG80211, which is the correct
+macro to use when building under backports.
+
+--- a/net/batman-adv/hard-interface.c
++++ b/net/batman-adv/hard-interface.c
+@@ -307,8 +307,7 @@ static bool batadv_is_cfg80211_netdev(st
+ {
+ 	if (!net_device)
+ 		return false;
+-
+-#if IS_ENABLED(CONFIG_CFG80211)
++#if IS_ENABLED(CPTCFG_CFG80211)
+ 	/* cfg80211 drivers have to set ieee80211_ptr */
+ 	if (net_device->ieee80211_ptr)
+ 		return true;