diff --git a/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/INameMaker.cs b/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/INameMaker.cs
index 184ce1b..9e94125 100644
--- a/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/INameMaker.cs
+++ b/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/INameMaker.cs
@@ -22,6 +22,8 @@ namespace Obfuz.ObfusPasses.SymbolObfus
 
         string GetNewName(MethodDef methodDef, string originalName);
 
+        string GetNewName(VirtualMethodGroup virtualMethodGroup, string originalName);
+
         string GetNewName(ParamDef param, string originalName);
 
         string GetNewName(FieldDef fieldDef, string originalName);
diff --git a/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/INameScope.cs b/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/INameScope.cs
index 9fb5a98..c6ca426 100644
--- a/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/INameScope.cs
+++ b/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/INameScope.cs
@@ -2,7 +2,9 @@
 {
     public interface INameScope
     {
-        void AddPreservedName(string name);
+        bool AddPreservedName(string name);
+
+        bool IsNamePreserved(string name);
 
         string GetNewName(string originalName, bool reuse);
     }
diff --git a/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/NameMakerBase.cs b/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/NameMakerBase.cs
index 157aeab..bd1bb08 100644
--- a/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/NameMakerBase.cs
+++ b/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/NameMakerBase.cs
@@ -4,6 +4,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using UnityEngine.Assertions;
 
 namespace Obfuz.ObfusPasses.SymbolObfus.NameMakers
 {
@@ -77,7 +78,29 @@ namespace Obfuz.ObfusPasses.SymbolObfus.NameMakers
 
         public string GetNewName(MethodDef methodDef, string originalName)
         {
-            return (methodDef.IsVirtual ? ">" : "") + GetDefaultNewName(methodDef.DeclaringType, originalName);
+            Assert.IsFalse(methodDef.IsVirtual);
+            return GetDefaultNewName(methodDef.DeclaringType, originalName);
+        }
+
+        public string GetNewName(VirtualMethodGroup virtualMethodGroup, string originalName)
+        {
+            var scope = GetNameScope(virtualMethodGroup);
+            while (true)
+            {
+                string newName = scope.GetNewName(originalName, false);
+                if (virtualMethodGroup.methods.Any(m => GetNameScope(m).IsNamePreserved(newName)))
+                {
+                    continue;
+                }
+                else
+                {
+                    foreach (var method in virtualMethodGroup.methods)
+                    {
+                        GetNameScope(method).AddPreservedName(newName);
+                    }
+                    return newName;
+                }
+            }
         }
 
         public virtual string GetNewName(ParamDef param, string originalName)
diff --git a/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/NameScopeBase.cs b/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/NameScopeBase.cs
index 4f3d213..daa8cc8 100644
--- a/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/NameScopeBase.cs
+++ b/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/NameMakers/NameScopeBase.cs
@@ -11,12 +11,18 @@ namespace Obfuz.ObfusPasses.SymbolObfus.NameMakers
         private readonly HashSet<string> _preservedNames = new HashSet<string>();
 
 
-        public void AddPreservedName(string name)
+        public bool AddPreservedName(string name)
         {
             if (!string.IsNullOrEmpty(name))
             {
-                _preservedNames.Add(name);
+                return _preservedNames.Add(name);
             }
+            return false;
+        }
+
+        public bool IsNamePreserved(string name)
+        {
+            return _preservedNames.Contains(name);
         }