diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c
index 181755f..406d5b9 100644
--- a/net/ieee80211/ieee80211_wx.c
+++ b/net/ieee80211/ieee80211_wx.c
@@ -284,7 +284,7 @@
 	};
 	int i, key, key_provided, len;
 	struct ieee80211_crypt_data **crypt;
-	int host_crypto = ieee->host_encrypt || ieee->host_decrypt;
+	int host_crypto = ieee->host_encrypt || ieee->host_decrypt || ieee->host_build_iv;
 
 	IEEE80211_DEBUG_WX("SET_ENCODE\n");