diff --git a/worlds/sc2/Items.py b/worlds/sc2/Items.py
index 1e193dd80473..30089fcb6fab 100644
--- a/worlds/sc2/Items.py
+++ b/worlds/sc2/Items.py
@@ -1853,6 +1853,7 @@ def get_basic_units(world: 'SC2World', race: SC2Race) -> typing.Set[str]:
 spear_of_adun_castable_passives = {
     ItemNames.RECONSTRUCTION_BEAM,
     ItemNames.OVERWATCH,
+    ItemNames.GUARDIAN_SHELL,
 }
 
 nova_equipment = {