diff --git a/src/ExileLootDrop/CfgGroupItem.cs b/src/ExileLootDrop/CfgGroupItem.cs
index bcd65e3..6a1689b 100644
--- a/src/ExileLootDrop/CfgGroupItem.cs
+++ b/src/ExileLootDrop/CfgGroupItem.cs
@@ -5,7 +5,7 @@ namespace ExileLootDrop
         /// <summary>
         /// Item chance
         /// </summary>
-        public int Chance { get; }
+        public decimal Chance { get; }
 
         /// <summary>
         /// Item/group name
@@ -21,8 +21,8 @@ namespace ExileLootDrop
             var parts = line.Split(',');
             if (parts.Length != 2)
                 throw new CfgGroupItemException($"Item line is invalid: {line}");
-            int chance;
-            if (!int.TryParse(parts[0], out chance))
+            decimal chance;
+            if (!decimal.TryParse(parts[0], out chance))
                 throw new CfgGroupItemException($"Could not parse chance: {line}");
             Chance = chance;
             Item = parts[1].Trim();
diff --git a/src/ExileLootDrop/Loot.cs b/src/ExileLootDrop/Loot.cs
index f3a79e6..ccdd87b 100644
--- a/src/ExileLootDrop/Loot.cs
+++ b/src/ExileLootDrop/Loot.cs
@@ -122,7 +122,7 @@ namespace ExileLootDrop
             var total = group.Items.Select(i => i.Chance).Sum();
             foreach (var item in group.Items.OrderByDescending(a => a.Chance))
             {
-                var chance = (decimal)item.Chance / total;
+                var chance = item.Chance / total;
                 var child = _cfgGroups.Find(g => g.Name == item.Item);
                 if (child != null)
                 {