diff --git a/src/js-components/previewBar.ts b/src/js-components/previewBar.ts
index f9fa1087..6123715f 100644
--- a/src/js-components/previewBar.ts
+++ b/src/js-components/previewBar.ts
@@ -367,6 +367,8 @@ class PreviewBar {
 
                 this.firstTimeSetupChapterSection(newSection);
                 this.customChaptersBar.appendChild(newSection);
+            } else if (createFromScratch) {
+                this.firstTimeSetupChapterSection(newSection);
             }
 
             this.setupChapterSection(newSection, chapter[0], chapter[1], i !== chaptersToRender.length - 1);