diff --git a/src/renderers/Form/Image.tsx b/src/renderers/Form/Image.tsx
index 6f20c8e6..f9b0e215 100644
--- a/src/renderers/Form/Image.tsx
+++ b/src/renderers/Form/Image.tsx
@@ -334,6 +334,7 @@ export default class ImageControl extends React.Component<
 
   startUpload(retry: boolean = false) {
     if (this.state.uploading) {
+      this.resolve && this.resolve(null);
       return;
     }