diff --git a/Assets/Fungus/Scripts/Editor/BlockEditor.cs b/Assets/Fungus/Scripts/Editor/BlockEditor.cs
index 7a425cfe..38119cdb 100644
--- a/Assets/Fungus/Scripts/Editor/BlockEditor.cs
+++ b/Assets/Fungus/Scripts/Editor/BlockEditor.cs
@@ -454,6 +454,8 @@ namespace Fungus.EditorUtils
             int selectedIndex = 0;
             blockNames.Add(nullLabel);
             var blocks = flowchart.GetComponents<Block>();
+            blocks = blocks.OrderBy(x => x.BlockName).ToArray();
+
             for (int i = 0; i < blocks.Length; ++i)
             {
                 blockNames.Add(new GUIContent(blocks[i].BlockName));
@@ -492,6 +494,8 @@ namespace Fungus.EditorUtils
             int selectedIndex = 0;
             blockNames.Add(nullLabel);
             Block[] blocks = flowchart.GetComponents<Block>();
+            blocks = blocks.OrderBy(x => x.BlockName).ToArray();
+
             for (int i = 0; i < blocks.Length; ++i)
             {
 				blockNames.Add(new GUIContent(blocks[i].BlockName));