diff --git a/src/editor/widgets/Autocomplete.jsx b/src/editor/widgets/Autocomplete.jsx
index 73e2bc8..96a9195 100644
--- a/src/editor/widgets/Autocomplete.jsx
+++ b/src/editor/widgets/Autocomplete.jsx
@@ -29,7 +29,7 @@ const Autocomplete = props => {
   }, []);
 
   useEffect(() => {
-    props.onChange(value);
+    props.onChange && props.onChange(value);
   }, [ value ]);
 
   const getSuggestions = value => {