diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 0631230..28f6f1a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -458,7 +458,7 @@
  */
 int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
 				  const struct cfg80211_chan_def *chandef,
-				  enum nl80211_iftype);
+				  enum nl80211_iftype iftype);
 
 /**
  * ieee80211_chandef_rate_flags - returns rate flags for a channel