diff --git a/scripts/AdvancedRocketry.zs b/scripts/AdvancedRocketry.zs
index 3d4166f..061d124 100644
--- a/scripts/AdvancedRocketry.zs
+++ b/scripts/AdvancedRocketry.zs
@@ -1,7 +1,7 @@
 #modloaded advancedrocketry
 # Airtight Seal Enchant
 	recipes.addShapedMirrored("Airtight Seal Enchant", 
-	<minecraft:enchanted_book>.withTag({StoredEnchantments: [{lvl: 1 as short, id: 28 as short}]}), 
+	<minecraft:enchanted_book>.withTag({StoredEnchantments: [{lvl: 1 as short, id: 27 as short}]}), 
 	[[<ore:plateTitaniumAluminide>, <advancedrocketry:liquidtank>, <ore:plateTitaniumAluminide>],
 	[<ore:ingotCarbon>, <advancedrocketry:blocklens>, <ore:ingotCarbon>], 
 	[<ore:plateTitaniumAluminide>, <advancedrocketry:liquidtank>, <ore:plateTitaniumAluminide>]]);
\ No newline at end of file