--- a/net80211/ieee80211_scan.c
+++ b/net80211/ieee80211_scan.c
@@ -291,7 +291,8 @@ scan_restart_pwrsav(unsigned long arg)
 	struct ieee80211com *ic = vap->iv_ic;
 	int delay;
 
-	ieee80211_sta_pwrsave(vap, 1);
+	if (vap->iv_opmode != IEEE80211_M_IBSS)
+	    ieee80211_sta_pwrsave(vap, 1);
 	/*
 	 * Use an initial 1ms delay to ensure the null
 	 * data frame has a chance to go out.
