diff --git a/wpa_supplicant/wnm_sta.c b/wpa_supplicant/wnm_sta.c
index f77d51a..7dc1909 100644
--- a/wpa_supplicant/wnm_sta.c
+++ b/wpa_supplicant/wnm_sta.c
@@ -259,7 +259,7 @@
 
 	if (!wpa_s->wnmsleep_used) {
 		wpa_printf(MSG_DEBUG,
-			   "WNM: Ignore WNM-Sleep Mode Response frame since WNM-Sleep Mode has not been used in this association");
+			   "WNM: Ignore WNM-Sleep Mode Response frame since WNM-Sleep Mode operation has not been requested");
 		return;
 	}
 
@@ -298,6 +298,8 @@
 		return;
 	}
 
+	wpa_s->wnmsleep_used = 0;
+
 	if (wnmsleep_ie->status == WNM_STATUS_SLEEP_ACCEPT ||
 	    wnmsleep_ie->status == WNM_STATUS_SLEEP_EXIT_ACCEPT_GTK_UPDATE) {
 		wpa_printf(MSG_DEBUG, "Successfully recv WNM-Sleep Response "