diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 54887b952eb5..c4f214d4c44e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -357,7 +357,7 @@ static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
 				return idx;
 	}
 
-	return -1;
+	return IWL_RATE_INVALID;
 }
 
 static void rs_rate_scale_perform(struct iwl_mvm *mvm,
@@ -703,10 +703,8 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
 	memset(rate, 0, sizeof(*rate));
 	rate->index = iwl_hwrate_to_plcp_idx(ucode_rate);
 
-	if (rate->index == IWL_RATE_INVALID) {
-		rate->index = -1;
+	if (rate->index == IWL_RATE_INVALID)
 		return -EINVAL;
-	}
 
 	rate->ant = (ant_msk >> RATE_MCS_ANT_POS);
 
@@ -2562,7 +2560,9 @@ static int rs_pretty_print_rate(char *buf, const u32 rate)
 		int index = iwl_hwrate_to_plcp_idx(rate);
 
 		return sprintf(buf, "Legacy | ANT: %s Rate: %s Mbps\n",
-			       rs_pretty_ant(ant), iwl_rate_mcs[index].mbps);
+			       rs_pretty_ant(ant),
+			       index == IWL_RATE_INVALID ? "BAD" :
+			       iwl_rate_mcs[index].mbps);
 	}
 
 	if (rate & RATE_MCS_VHT_MSK) {