diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index edfe6de..6a6b1c8 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -712,6 +712,8 @@
 
 			if (time_after_eq(jiffies, timeout)) {
 				c->dfs_state = NL80211_DFS_USABLE;
+				c->dfs_state_entered = jiffies;
+
 				cfg80211_chandef_create(&chandef, c,
 							NL80211_CHAN_NO_HT);