diff --git a/src/pages.js b/src/pages.js
index 607e2a3..67bf009 100644
--- a/src/pages.js
+++ b/src/pages.js
@@ -539,7 +539,7 @@ class Pages extends LitElement
       </div>
     </div>
     <div class="main columns">
-      <div class="column index-bar is-one-fifth">
+      <div class="column index-bar is-one-fifth ${this.isSidebar ? "is-hidden-mobile" : ""}">
 
         ${this.editable && this.editing ? html`
         <form @submit="${this.onUpdateTitle}"><input id="titleEdit" class="input" value="${this.collInfo.title}" @blur="${this.onUpdateTitle}"></form>
diff --git a/ui.js b/ui.js
index 491c7bf..e062414 100644
--- a/ui.js
+++ b/ui.js
@@ -1919,7 +1919,7 @@ class se extends oe{}se.directiveName="unsafeSVG",se.resultType=2;const le=ae(se
       </div>
     </div>
     <div class="main columns">
-      <div class="column index-bar is-one-fifth">
+      <div class="column index-bar is-one-fifth ${this.isSidebar?"is-hidden-mobile":""}">
 
         ${this.editable&&this.editing?T`
         <form @submit="${this.onUpdateTitle}"><input id="titleEdit" class="input" value="${this.collInfo.title}" @blur="${this.onUpdateTitle}"></form>