diff --git a/src/protocol/eval/value.rs b/src/protocol/eval/value.rs
index fb743f3b77cc324198f44ab08f9cee141593f724..6d6a618e386fa47a56189146f6ebd208a4608d7f 100644
--- a/src/protocol/eval/value.rs
+++ b/src/protocol/eval/value.rs
@@ -160,6 +160,7 @@ impl Value {
 ///
 /// Again: this is a temporary thing, hopefully removed once we move to a
 /// bytecode interpreter.
+#[derive(Clone)]
 pub struct ValueGroup {
     pub(crate) values: Vec<Value>,
     pub(crate) regions: Vec<Vec<Value>>