diff --git a/src/lib.rs b/src/lib.rs
index 75cb40e..a9d72cd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,6 +10,7 @@ pub use argument::{Argument, IntoArgument};
 pub use context::{CommandGroupConfig, Context, ContextBuilder};
 pub use into_expression::*;
 pub use into_value::*;
+pub use nu_engine::{self, CallExt};
 pub use nu_protocol::{self, PipelineData, Value};
 pub use rusty_value;
 pub use utils::NewEmpty;