diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index c69515ed72dfee73e1b4c4918328a6cc0b77e466..fbfa5eafcc935eac86f4324fd40e03981d2251d5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -1877,12 +1877,10 @@ static int rs_switch_to_column(struct iwl_mvm *mvm,
 	struct rs_rate *rate = &search_tbl->rate;
 	const struct rs_tx_column *column = &rs_tx_columns[col_id];
 	const struct rs_tx_column *curr_column = &rs_tx_columns[tbl->column];
-	u32 sz = (sizeof(struct iwl_scale_tbl_info) -
-		  (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT));
 	unsigned long rate_mask = 0;
 	u32 rate_idx = 0;
 
-	memcpy(search_tbl, tbl, sz);
+	memcpy(search_tbl, tbl, offsetof(struct iwl_scale_tbl_info, win));
 
 	rate->sgi = column->sgi;
 	rate->ant = column->ant;