diff --git a/kubejs/startup_scripts/ad_astra/constants.js b/kubejs/startup_scripts/ad_astra/constants.js
index 7c891feb7..90cc7149e 100644
--- a/kubejs/startup_scripts/ad_astra/constants.js
+++ b/kubejs/startup_scripts/ad_astra/constants.js
@@ -43,6 +43,7 @@ global.AD_ASTRA_DISABLED_ITEMS =
 	'ad_astra:steel_cable',
 	'ad_astra:desh_cable',
 	'ad_astra:glacian_leaves',
+	'ad_astra:raw_ostrum',
 
 	// Don't tag prefix these, several systems rely on all ore blocks being gregtech's generated ones
 	'ad_astra:moon_ice_shard_ore',