diff --git a/AutoMark/scripts/mods/AutoMark/mark/servo_skull_mark.lua b/AutoMark/scripts/mods/AutoMark/mark/servo_skull_mark.lua
index 6f93588..9ecadca 100644
--- a/AutoMark/scripts/mods/AutoMark/mark/servo_skull_mark.lua
+++ b/AutoMark/scripts/mods/AutoMark/mark/servo_skull_mark.lua
@@ -45,6 +45,11 @@ local function ensure_automark_tag_hook()
     local cls = getmetatable(smart_tag_system)
     if type(cls) == "table" and cls.set_tag ~= nil then
         mod:hook(cls, "set_tag", function(previous_hook, self, template_name, tagger_unit, target_unit, target_location)
+            if template_name == HACK_TAG_NAME and mod_settings.debug_mode and not mod.omni_hack_hook_fired then
+                mod.omni_hack_hook_fired = true
+                local ext = target_unit and self._unit_extension_data[target_unit]
+                mod:diag("OMNI-HACK-DIAG hook FIRE is_server=", tostring(self._is_server), " flagged=", tostring(ext and ext._automark_hack_order), " has_ext=", tostring(ext ~= nil), " target=", tostring(target_unit), " loc=", tostring(target_location))
+            end
             if template_name == HACK_TAG_NAME and target_unit and self._is_server then
                 local target_extension = self._unit_extension_data[target_unit]
                 if target_extension and target_extension._automark_hack_order then