diff --git a/src/execution/evaluator.rs b/src/execution/evaluator.rs
index 70eeb55ce..71c8e4c53 100644
--- a/src/execution/evaluator.rs
+++ b/src/execution/evaluator.rs
@@ -142,7 +142,7 @@ impl<'a> ScopeKey<'a> {
         match *self {
             ScopeKey::None => 0,
             ScopeKey::MapKey(_) => 1,
-            ScopeKey::ListIndex(_) => 1,
+            ScopeKey::ListIndex(_) => 0,
         }
     }
 }