Variadic functions
diff --git a/src/expr.rs b/src/expr.rs
index d650e22..126b4d4 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -648,6 +648,7 @@
             Box::new(FnDecl {
                 inputs: inputs,
                 output: ret_and_body.0,
+                variadic: false,
             }),
             ret_and_body.1,
         ))