diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 6afe896e5cb84f8833c69787cae2dbdaaa8de1e9..96d26cfae90bd2acf55854f4818f11d4b14f2f5a 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -253,7 +253,7 @@ static inline void hwsim_clear_chanctx_magic(struct ieee80211_chanctx_conf *c)
 
 static unsigned int hwsim_net_id;
 
-static struct ida hwsim_netgroup_ida = IDA_INIT;
+static DEFINE_IDA(hwsim_netgroup_ida);
 
 struct hwsim_net {
 	int netgroup;