diff --git a/itlwm/hal_iwn/ItlIwn.cpp b/itlwm/hal_iwn/ItlIwn.cpp
index b36d9406e..9fab14a32 100644
--- a/itlwm/hal_iwn/ItlIwn.cpp
+++ b/itlwm/hal_iwn/ItlIwn.cpp
@@ -4078,7 +4078,8 @@ iwn_set_link_quality(struct iwn_softc *sc, struct ieee80211_node *ni)
     linkq.ampdu_limit = htole16(4000);    /* 4ms */
 
     if (ic->ic_flags & IEEE80211_F_USEPROT)
-        linkq.flags |= IWN_TX_NEED_RTS;
+        if (sc->hw_type != IWN_HW_REV_TYPE_4965)
+            linkq.flags |= IWN_LINK_QUAL_FLAGS_SET_STA_TLC_RTS;
     
     if ((ni->ni_flags & IEEE80211_NODE_HT) &&
         ieee80211_node_supports_ht_sgi20(ni)) {
diff --git a/itlwm/hal_iwn/if_iwnreg.h b/itlwm/hal_iwn/if_iwnreg.h
index e9bbe2356..e8d7e281f 100644
--- a/itlwm/hal_iwn/if_iwnreg.h
+++ b/itlwm/hal_iwn/if_iwnreg.h
@@ -740,6 +740,7 @@ struct iwn_cmd_link_quality {
     uint8_t        reserved1;
     uint16_t    ctl;
     uint8_t        flags;
+#define IWN_LINK_QUAL_FLAGS_SET_STA_TLC_RTS    (1 << 0)
     uint8_t        mimo;
     uint8_t        antmsk_1stream;
     uint8_t        antmsk_2stream;