diff --git a/src/components/fields/_DataProperty.jsx b/src/components/fields/_DataProperty.jsx
index 7503d62..80961b7 100644
--- a/src/components/fields/_DataProperty.jsx
+++ b/src/components/fields/_DataProperty.jsx
@@ -39,6 +39,7 @@ export default class DataProperty extends React.Component {
     onChange: PropTypes.func,
     onDeleteStop: PropTypes.func,
     onAddStop: PropTypes.func,
+    onExpressionClick: PropTypes.func,
     fieldName: PropTypes.string,
     fieldType: PropTypes.string,
     fieldSpec: PropTypes.object,
diff --git a/src/components/fields/_ZoomProperty.jsx b/src/components/fields/_ZoomProperty.jsx
index 3db421f..829d356 100644
--- a/src/components/fields/_ZoomProperty.jsx
+++ b/src/components/fields/_ZoomProperty.jsx
@@ -42,6 +42,7 @@ export default class ZoomProperty extends React.Component {
     onChange: PropTypes.func,
     onDeleteStop: PropTypes.func,
     onAddStop: PropTypes.func,
+    onExpressionClick: PropTypes.func,
     fieldType: PropTypes.string,
     fieldName: PropTypes.string,
     fieldSpec: PropTypes.object,