diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 5816230d58f8..248d31a7aa33 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -500,7 +500,7 @@ static int __init init_mac80211_hwsim(void)
 	device_unregister(data->dev);
 failed_drvdata:
 	ieee80211_free_hw(hw);
-	hwsim_radios[i] = 0;
+	hwsim_radios[i] = NULL;
 failed:
 	mac80211_hwsim_free();
 	return err;