diff --git a/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs b/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
index bfddc966c..4f9e20d5d 100644
--- a/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
+++ b/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
@@ -207,7 +207,7 @@ namespace FlaxEngine.GUI
         {
             // Select the word under the mouse
             int textLength = TextLength;
-            if (textLength != 0)
+            if (textLength != 0 && IsSelectable)
             {
                 var hitPos = CharIndexAtPoint(ref location);
                 int spaceLoc = _text.LastIndexOfAny(Separators, hitPos - 2);
diff --git a/Source/Engine/UI/GUI/Common/TextBox.cs b/Source/Engine/UI/GUI/Common/TextBox.cs
index 77ca2a258..e11e7c787 100644
--- a/Source/Engine/UI/GUI/Common/TextBox.cs
+++ b/Source/Engine/UI/GUI/Common/TextBox.cs
@@ -234,7 +234,10 @@ namespace FlaxEngine.GUI
         /// <inheritdoc />
         public override bool OnMouseDoubleClick(Float2 location, MouseButton button)
         {
-            SelectAll();
+            if (IsSelectable)
+            {
+                SelectAll();
+            }
             return base.OnMouseDoubleClick(location, button);
         }