diff --git a/src/components/fields/_ExpressionProperty.jsx b/src/components/fields/_ExpressionProperty.jsx
index bb31b81f..00470f39 100644
--- a/src/components/fields/_ExpressionProperty.jsx
+++ b/src/components/fields/_ExpressionProperty.jsx
@@ -22,6 +22,8 @@ export default class ExpressionProperty extends React.Component {
     onChange: PropTypes.func,
     onUndo: PropTypes.func,
     canUndo: PropTypes.func,
+    onFocus: PropTypes.func,
+    onBlur: PropTypes.func,
   }
 
   static defaultProps = {
diff --git a/src/components/layers/JSONEditor.jsx b/src/components/layers/JSONEditor.jsx
index ed5d7921..0e2ae5bd 100644
--- a/src/components/layers/JSONEditor.jsx
+++ b/src/components/layers/JSONEditor.jsx
@@ -28,6 +28,8 @@ class JSONEditor extends React.Component {
     getValue: PropTypes.func,
     gutters: PropTypes.array,
     className: PropTypes.string,
+    onFocus: PropTypes.func,
+    onBlur: PropTypes.func,
   }
 
   static defaultProps = {