diff --git a/marketdata/rest.go b/marketdata/rest.go
index 5428ea6..7b356d7 100644
--- a/marketdata/rest.go
+++ b/marketdata/rest.go
@@ -1065,7 +1065,7 @@ func (c *Client) GetLatestCryptoPerpBars(
 		return nil, err
 	}
 	perpsBars := make(map[string]CryptoPerpBar, len(bars))
-	for symbol, bar := range perpsBars {
+	for symbol, bar := range bars {
 		perpsBars[symbol] = CryptoPerpBar(bar)
 	}