diff --git a/ablescript/src/interpret.rs b/ablescript/src/interpret.rs
index bcf0cff5..183eb9ff 100644
--- a/ablescript/src/interpret.rs
+++ b/ablescript/src/interpret.rs
@@ -408,19 +408,21 @@ impl ExecEnv {
             }
             Functio::Chain { functios, kind } => {
                 let (left_functio, right_functio) = *functios;
-                let (left_args, right_args) = match kind {
+                match kind {
                     crate::variables::FunctioChainKind::Equal => {
                         let (l, r) = args.split_at(args.len() / 2);
-                        // TODO: avoid this clone
-                        (l.to_owned(), r.to_owned())
+
+                        self.fn_call_with_values(left_functio, l, span)?;
+                        self.fn_call_with_values(right_functio, r, span)?;
                     }
                     crate::variables::FunctioChainKind::ByArity => {
-                        Self::deinterlace(args, (left_functio.arity(), right_functio.arity()))
+                        let (l, r) =
+                            Self::deinterlace(args, (left_functio.arity(), right_functio.arity()));
+
+                        self.fn_call_with_values(left_functio, &l, span)?;
+                        self.fn_call_with_values(right_functio, &r, span)?;
                     }
                 };
-
-                self.fn_call_with_values(left_functio, &left_args, span)?;
-                self.fn_call_with_values(right_functio, &right_args, span)?;
             }
             Functio::Eval(code) => {
                 if !args.is_empty() {