diff --git a/src/interpreter/mod.rs b/src/interpreter/mod.rs
index d6b5c89..4041801 100644
--- a/src/interpreter/mod.rs
+++ b/src/interpreter/mod.rs
@@ -1,6 +1,7 @@
 mod callable;
 mod environment;
 mod interpretable;
+mod native_fn;
 mod value;
 
 pub use callable::Callable;
diff --git a/src/interpreter/native_fn.rs b/src/interpreter/native_fn.rs
new file mode 100644
index 0000000..e69de29