diff --git a/mods/ra2/rules/allied-structures.yaml b/mods/ra2/rules/allied-structures.yaml
index 9fe1f4b64..6597bcc16 100644
--- a/mods/ra2/rules/allied-structures.yaml
+++ b/mods/ra2/rules/allied-structures.yaml
@@ -811,6 +811,8 @@ gaorep:
 	WithIdleOverlay@glow:
 		Sequence: idle-glow
 		RequiresCondition: !build-incomplete
+	ResourcePurifier:
+		Modifier: 25
 	Power:
 		Amount: -200