diff --git a/src/meditor/index.js b/src/meditor/index.js
index a264fbe..fbf7e2b 100644
--- a/src/meditor/index.js
+++ b/src/meditor/index.js
@@ -142,6 +142,7 @@ class MEditor extends Component {
     `,
     css`
       .editor-outbox {
+        overflow: hidden;
         flex: 1;
         display: flex;
         width: 100%;