diff --git a/src/Binance/Extensions/CandlestickIntervalExtensions.cs b/src/Binance/Extensions/CandlestickIntervalExtensions.cs
index 390b81ea..80b54caa 100644
--- a/src/Binance/Extensions/CandlestickIntervalExtensions.cs
+++ b/src/Binance/Extensions/CandlestickIntervalExtensions.cs
@@ -30,7 +30,7 @@ public static string AsString(this CandlestickInterval interval)
                 case CandlestickInterval.Week: return "1w";
                 case CandlestickInterval.Month: return "1M";
                 default:
-                    throw new ArgumentException($"{nameof(CandlestickIntervalExtensions)}.{nameof(ToString)}: {nameof(CandlestickInterval)} not supported: {interval}");
+                    throw new ArgumentException($"{nameof(CandlestickIntervalExtensions)}.{nameof(AsString)}: {nameof(CandlestickInterval)} not supported: {interval}");
             }
         }
     }