diff --git a/src/lib.rs b/src/lib.rs
index 794876d..b176a1c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
 #![cfg_attr(not(feature = "std"), no_std)]
+#![feature(lang_items)]
 
 /// ewasm_api is a library used to interface with Ethereum's EEI in Ewasm, a set of enhancements to
 /// the Ethereum smart contract platform.