diff --git a/QuantConnect.InteractiveBrokersBrokerage/InteractiveBrokers/IB-symbol-map.json b/QuantConnect.InteractiveBrokersBrokerage/InteractiveBrokers/IB-symbol-map.json
index f8b56a3..dfe2fef 100644
--- a/QuantConnect.InteractiveBrokersBrokerage/InteractiveBrokers/IB-symbol-map.json
+++ b/QuantConnect.InteractiveBrokersBrokerage/InteractiveBrokers/IB-symbol-map.json
@@ -16,6 +16,7 @@
   "RUR": "6R",
   "ZAR": "6Z",
   "BRR": "BTC",
+  "ETHUSDRR": "ETH",
   "DA": "DC",
   "BQX": "BIO"
 }
diff --git a/QuantConnect.InteractiveBrokersBrokerage/InteractiveBrokersBrokerage.cs b/QuantConnect.InteractiveBrokersBrokerage/InteractiveBrokersBrokerage.cs
index deab4c5..03acbef 100644
--- a/QuantConnect.InteractiveBrokersBrokerage/InteractiveBrokersBrokerage.cs
+++ b/QuantConnect.InteractiveBrokersBrokerage/InteractiveBrokersBrokerage.cs
@@ -4119,7 +4119,7 @@ public IEnumerable<Symbol> LookupSymbols(Symbol symbol, bool includeExpired, str
 
         private static string GetContractMultiplier(decimal contractMultiplier)
         {
-            if (contractMultiplier >= 1)
+            if (contractMultiplier % 1 == 0)
             {
                 // IB doesn't like 5000.0
                 return Convert.ToInt32(contractMultiplier).ToStringInvariant();