diff --git a/src/Gui/PreferencePacks/Classic/post.FCMacro b/src/Gui/PreferencePacks/Classic/post.FCMacro
new file mode 100644
index 0000000000..dbeaf790b2
--- /dev/null
+++ b/src/Gui/PreferencePacks/Classic/post.FCMacro
@@ -0,0 +1,5 @@
+# Classic theme must delete any set value for the editor text so that it is calculated dynamically when needed
+import FreeCAD
+
+editorPrefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Editor")
+editorPrefs.RemInt("Text")