diff --git a/kubejs/assets/gtceu/lang/en_us.json b/kubejs/assets/gtceu/lang/en_us.json
index b9b91af..4b32e08 100644
--- a/kubejs/assets/gtceu/lang/en_us.json
+++ b/kubejs/assets/gtceu/lang/en_us.json
@@ -1,6 +1,8 @@
 {
   "block.gtceu.greenhouse":"Greenhouse", 
   "gtceu.greenhouse":"Greenhouse",
+  "block.gtceu.construction_core":"Construction Core", 
+  "gtceu.construction_core":"Construction Core",
 
   "material.fluix":"Fluix"
 }