diff --git a/src/components/DropzoneArea.js b/src/components/DropzoneArea.js
index be202db5..a3764340 100644
--- a/src/components/DropzoneArea.js
+++ b/src/components/DropzoneArea.js
@@ -31,6 +31,7 @@ const styles = {
         borderColor: '#C8C8C8',
         cursor: 'pointer',
         boxSizing: 'border-box',
+        overflow: 'hidden',
     },
     stripes: {
         border: 'solid',