diff --git a/ablescript/src/interpret.rs b/ablescript/src/interpret.rs
index 8aad7ab..0d23481 100644
--- a/ablescript/src/interpret.rs
+++ b/ablescript/src/interpret.rs
@@ -350,6 +350,15 @@ impl ExecEnv {
             })
             .collect::<Result<Vec<_>, Error>>()?;
 
+        self.fn_call_with_values(func, &args, span)
+    }
+
+    fn fn_call_with_values(
+        &mut self,
+        func: Functio,
+        args: &[Rc<RefCell<Value>>],
+        span: &Range<usize>,
+    ) -> Result<(), Error> {
         match func {
             Functio::Bf {
                 instructions,
@@ -396,7 +405,16 @@ impl ExecEnv {
                 self.stack.pop();
                 res?;
             }
-            Functio::Chain { .. } => todo!(),
+            Functio::Chain { functios, kind } => {
+                let (left_functio, right_functio) = *functios;
+                let (left_args, right_args) = match kind {
+                    crate::variables::FunctioChainKind::Ordered => args.split_at(args.len() / 2),
+                    crate::variables::FunctioChainKind::Interlaced => todo!(),
+                };
+
+                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() {
                     return Err(Error {