diff --git a/Assets/Mirror/Core/SyncSet.cs b/Assets/Mirror/Core/SyncSet.cs
index 6ab1f3b88..7e9fee79d 100644
--- a/Assets/Mirror/Core/SyncSet.cs
+++ b/Assets/Mirror/Core/SyncSet.cs
@@ -15,6 +15,13 @@ public class SyncSet<T> : SyncObject, ISet<T>
         /// <summary>This is called BEFORE the data is cleared</summary>
         public Action OnClear;
 
+        public enum Operation : byte
+        {
+            OP_ADD,
+            OP_REMOVE,
+            OP_CLEAR
+        }
+
         /// <summary>
         /// This is called for all changes to the Set.
         /// <para>For OP_ADD, T is the NEW value of the entry.</para>
@@ -28,13 +35,6 @@ public class SyncSet<T> : SyncObject, ISet<T>
         public int Count => objects.Count;
         public bool IsReadOnly => !IsWritable();
 
-        public enum Operation : byte
-        {
-            OP_ADD,
-            OP_REMOVE,
-            OP_CLEAR
-        }
-
         struct Change
         {
             internal Operation operation;