1 files changed, 2 insertions, 2 deletions

diff --git a/src/editor.mjs b/src/editor.mjs
index ad1a863..f6c7dab 100644
--- a/src/editor.mjs
+++ b/src/editor.mjs
@@ -32,7 +32,7 @@ new window.MutationObserver(mutaions => {
   const mutation = mutaions.at(-1)
   const layout = dumbyContainer.dataset.layout
   if (layout !== 'normal' || mutation.oldValue === 'normal') {
-    delete context.dataset.mode
+    context.dataset.mode = ''
   }
 }).observe(dumbyContainer, {
   attributes: true,
@@ -92,7 +92,7 @@ new window.MutationObserver(() => {
 const toggleEditing = () => {
   const mode = context.dataset.mode
   if (mode === 'editing') {
-    delete context.dataset.mode
+    context.dataset.mode = ''
   } else {
     context.dataset.mode = 'editing'
   }