diff --git a/Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs b/Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs
index f76faa794..71601ed23 100644
--- a/Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs
+++ b/Source/Editor/Surface/Archetypes/Animation.MultiBlend.cs
@@ -885,6 +885,17 @@ namespace FlaxEditor.Surface.Archetypes
                 _selectedAnimation.SelectedIndex = 0;
             }
 
+            /// <inheritdoc />
+            public override void SetValuesPaste(object[] values)
+            {
+                // Fix Guids pasted as string
+                // TODO: let copy/paste system in Visject handle value types to be strongly typed
+                for (int i = 5; i < values.Length; i += 2)
+                    values[i] = Guid.Parse((string)values[i]);
+
+                base.SetValuesPaste(values);
+            }
+
             /// <inheritdoc />
             public override void OnValuesChanged()
             {
diff --git a/Source/Editor/Surface/SurfaceNode.cs b/Source/Editor/Surface/SurfaceNode.cs
index c5c011db0..da64fe613 100644
--- a/Source/Editor/Surface/SurfaceNode.cs
+++ b/Source/Editor/Surface/SurfaceNode.cs
@@ -1001,6 +1001,15 @@ namespace FlaxEditor.Surface
             _isDuringValuesEditing = value;
         }
 
+        /// <summary>
+        /// Sets teh node values from the given pasted source. Can be overriden to perform validation or custom values processing.
+        /// </summary>
+        /// <param name="values">The input values array.</param>
+        public virtual void SetValuesPaste(object[] values)
+        {
+            Values = values;
+        }
+
         /// <summary>
         /// Called when node values set gets changed.
         /// </summary>
diff --git a/Source/Editor/Surface/VisjectSurface.CopyPaste.cs b/Source/Editor/Surface/VisjectSurface.CopyPaste.cs
index 94d41a624..71004aede 100644
--- a/Source/Editor/Surface/VisjectSurface.CopyPaste.cs
+++ b/Source/Editor/Surface/VisjectSurface.CopyPaste.cs
@@ -286,13 +286,14 @@ namespace FlaxEditor.Surface
                     // Initialize
                     if (nodeData.Values != null && node.Values.Length > 0)
                     {
-                        if (node.Values != null && node.Values.Length == nodeData.Values.Length)
+                        var nodeValues = (object[])node.Values?.Clone();
+                        if (nodeValues != null && nodeValues.Length == nodeData.Values.Length)
                         {
                             // Copy and fix values (Json deserializes may output them in a different format)
-                            for (int l = 0; l < node.Values.Length; l++)
+                            for (int l = 0; l < nodeData.Values.Length; l++)
                             {
                                 var src = nodeData.Values[l].Value;
-                                var dst = node.Values[l];
+                                var dst = nodeValues[l];
 
                                 try
                                 {
@@ -364,13 +365,24 @@ namespace FlaxEditor.Surface
                                     Editor.LogWarning(ex);
                                 }
 
-                                node.Values[l] = src;
+                                nodeValues[l] = src;
+                            }
+                        }
+                        else if (node.Archetype.Flags.HasFlag(NodeFlags.VariableValuesSize))
+                        {
+                            // Copy values
+                            nodeValues = new object[nodeData.Values.Length];
+                            for (int l = 0; l < nodeData.Values.Length; l++)
+                            {
+                                nodeValues[l] = nodeData.Values[l].Value;
                             }
                         }
                         else
                         {
                             Editor.LogWarning("Invalid node custom values.");
                         }
+                        if (nodeValues != null)
+                            node.SetValuesPaste(nodeValues);
                     }
 
                     Context.OnControlLoaded(node, SurfaceNodeActions.Paste);