diff --git a/packages/entity/src/behavior-components/expression.jsx b/packages/entity/src/behavior-components/expression.jsx
index 7d3b3fb..5972055 100644
--- a/packages/entity/src/behavior-components/expression.jsx
+++ b/packages/entity/src/behavior-components/expression.jsx
@@ -304,7 +304,7 @@ const Expression = ({
       className={classnames(
         'expression',
         {'wrong-type': 'any' !== type && 'undefined' !== type && realType !== type},
-        {'undefined-type': 'any' !== type && 'undefined' === realType},
+        {'undefined-type': 'undefined' === realType},
       )}
     >
       {Renderables}