diff --git a/Source/Engine/Core/Collections/Array.h b/Source/Engine/Core/Collections/Array.h
index d5d93495f..b89acc44f 100644
--- a/Source/Engine/Core/Collections/Array.h
+++ b/Source/Engine/Core/Collections/Array.h
@@ -965,6 +965,13 @@ public:
             return _array != v._array || _index != v._index;
         }
 
+        Iterator& operator=(const Iterator& v)
+        {
+            _array = v._array;
+            _index = v._index;
+            return *this;
+        }
+
         Iterator& operator++()
         {
             if (_index != _array->Count())
diff --git a/Source/Engine/Core/Collections/Dictionary.h b/Source/Engine/Core/Collections/Dictionary.h
index 0ee455195..feda96bd7 100644
--- a/Source/Engine/Core/Collections/Dictionary.h
+++ b/Source/Engine/Core/Collections/Dictionary.h
@@ -311,6 +311,13 @@ public:
             return _index != v._index || &_collection != &v._collection;
         }
 
+        Iterator& operator=(const Iterator& v)
+        {
+            _collection = v._collection;
+            _index = v._index;
+            return *this;
+        }
+
         Iterator& operator++()
         {
             const int32 capacity = _collection.Capacity();
diff --git a/Source/Engine/Core/Collections/HashSet.h b/Source/Engine/Core/Collections/HashSet.h
index debd91cfd..304d07926 100644
--- a/Source/Engine/Core/Collections/HashSet.h
+++ b/Source/Engine/Core/Collections/HashSet.h
@@ -282,6 +282,13 @@ public:
             return _index != v._index || &_collection != &v._collection;
         }
 
+        Iterator& operator=(const Iterator& v)
+        {
+            _collection = v._collection;
+            _index = v._index;
+            return *this;
+        }
+
         Iterator& operator++()
         {
             const int32 capacity = _collection.Capacity();