diff --git a/src/interpreter/mod.rs b/src/interpreter/mod.rs
index 9d88dfd..d6b5c89 100644
--- a/src/interpreter/mod.rs
+++ b/src/interpreter/mod.rs
@@ -1,7 +1,9 @@
+mod callable;
 mod environment;
 mod interpretable;
 mod value;
 
+pub use callable::Callable;
 pub use environment::*;
 pub use interpretable::*;
 pub use value::*;