diff --git a/contract/Forest/ForestContractConstants.cs b/contract/Forest/ForestContractConstants.cs
index 2887118..c92dc0b 100644
--- a/contract/Forest/ForestContractConstants.cs
+++ b/contract/Forest/ForestContractConstants.cs
@@ -27,6 +27,7 @@ public partial class ForestContract
     public const string CollectionSymbolSuffix = "0";
     public const string SymbolSeparator = "-";
     public const long DefaultApproveAllowance = 10000;
-    public const long MaxApproveAllowance = 9223372036854775000;
-
+    public const long MaxApproveAllowance = 9223372036854770000;
+    
+    
 }
\ No newline at end of file
diff --git a/contract/Forest/ForestContract_Sellers.cs b/contract/Forest/ForestContract_Sellers.cs
index bf58488..3e5cd01 100644
--- a/contract/Forest/ForestContract_Sellers.cs
+++ b/contract/Forest/ForestContract_Sellers.cs
@@ -126,12 +126,12 @@ public override Empty ListWithFixedPrice(ListWithFixedPriceInput input)
         var collectionAllowance = State.ListedNFTTotalAmountMap[collectionSymbol][Context.Sender];
         if (collectionAllowance == null || collectionAllowance == "")
         {
-            var listedNFTTotalAmount = (allowance == MaxApproveAllowance) ? input.Quantity : Math.Max(allowance, input.Quantity);
+            var listedNFTTotalAmount = (allowance >= MaxApproveAllowance) ? input.Quantity : Math.Max(allowance, input.Quantity);
             State.ListedNFTTotalAmountMap[collectionSymbol][Context.Sender] = listedNFTTotalAmount.ToString();
         }
         else
         {
-            var originQuantity = (long.Parse(collectionAllowance) == MaxApproveAllowance)
+            var originQuantity = (long.Parse(collectionAllowance) >= MaxApproveAllowance)
                 ? DefaultApproveAllowance
                 : long.Parse(collectionAllowance);
             State.ListedNFTTotalAmountMap[collectionSymbol][Context.Sender] =
diff --git a/contract/Forest/ForestContract_Views.cs b/contract/Forest/ForestContract_Views.cs
index 02a474b..31a6089 100644
--- a/contract/Forest/ForestContract_Views.cs
+++ b/contract/Forest/ForestContract_Views.cs
@@ -129,7 +129,7 @@ public override GetTotalEffectiveListedNFTAmountOutput GetTotalEffectiveListedNF
             {
                 Symbol = input.Symbol,
                 Allowance = allowance,
-                TotalAmount = (allowance == MaxApproveAllowance) ? totalAmount : Math.Max(allowance,totalAmount)
+                TotalAmount = (allowance >= MaxApproveAllowance) ? totalAmount : Math.Max(allowance,totalAmount)
             };
         }
 
@@ -137,7 +137,7 @@ public override GetTotalEffectiveListedNFTAmountOutput GetTotalEffectiveListedNF
         {
             Symbol = input.Symbol,
             Allowance = allowance,
-            TotalAmount = (long.Parse(collectionAllowance) == MaxApproveAllowance) ? DefaultApproveAllowance : long.Parse(collectionAllowance)
+            TotalAmount = (long.Parse(collectionAllowance) >= MaxApproveAllowance) ? DefaultApproveAllowance : long.Parse(collectionAllowance)
         };
         
         return getTotalEffectiveListedNftAmountOutput;