diff --git a/theseus/src/lib.rs b/theseus/src/lib.rs
index 56f1c08..517c46d 100644
--- a/theseus/src/lib.rs
+++ b/theseus/src/lib.rs
@@ -1,6 +1,8 @@
 #![no_std]
 #![crate_type = "staticlib"]
 
+use core::ffi::CStr;
+
 pub mod kmain;
 pub mod memlayout;
 pub mod param;