diff --git a/crates/interpreter/src/function_stack.rs b/crates/interpreter/src/function_stack.rs
index e6482d8e40..4c33aa911c 100644
--- a/crates/interpreter/src/function_stack.rs
+++ b/crates/interpreter/src/function_stack.rs
@@ -19,7 +19,7 @@ impl FunctionReturnFrame {
 }
 
 /// Function Stack
-#[derive(Debug, Default)]
+#[derive(Clone, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct FunctionStack {
     pub return_stack: Vec<FunctionReturnFrame>,