diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt
index 59f74b02..b1bd2003 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt
@@ -459,6 +459,13 @@ class Starbound : ISBFileLocator {
 			1
 		}
 
+		state.setTableFunction("itemHasTag", this) { args ->
+			val name = args.getString()
+			val tag = args.getString()
+			args.lua.push((items[name]?.value?.itemTags ?: throw NoSuchElementException("No such item $name")).contains(tag))
+			1
+		}
+
 		state.pop()
 
 		state.load(polyfill, "@starbound.jar!/scripts/polyfill.lua")