diff --git a/packages/form-js-viewer/src/render/components/form-fields/FilePicker.js b/packages/form-js-viewer/src/render/components/form-fields/FilePicker.js
index f5b540f5d..06f87188c 100644
--- a/packages/form-js-viewer/src/render/components/form-fields/FilePicker.js
+++ b/packages/form-js-viewer/src/render/components/form-fields/FilePicker.js
@@ -43,7 +43,7 @@ export function FilePicker(props) {
   const selectedFiles = fileRegistry === null ? EMPTY_ARRAY : fileRegistry.getFiles(filesKey);
 
   useEffect(() => {
-    if (filesKey.length > 0 && fileRegistry !== null && !fileRegistry.hasKey(filesKey)) {
+    if (filesKey && fileRegistry !== null && !fileRegistry.hasKey(filesKey)) {
       onChange({ value: null });
     }
   }, [fileRegistry, filesKey, onChange, selectedFiles.length]);