diff --git a/src/client/types/expression.type-renderer.jsx b/src/client/types/expression.type-renderer.jsx
index 5bc11d3..28db70d 100644
--- a/src/client/types/expression.type-renderer.jsx
+++ b/src/client/types/expression.type-renderer.jsx
@@ -120,7 +120,7 @@ const Traversal = (props) => {
                 onChange({
                   type: 'expression',
                   ops,
-                  value: makeCompilable(valueValue),
+                  assign: makeCompilable(valueValue),
                 }, event)
               )}
               type={type}