diff --git a/client/components/Reader/ContentsPage/ContentsPage.vue b/client/components/Reader/ContentsPage/ContentsPage.vue
index de8698e1..8186d161 100644
--- a/client/components/Reader/ContentsPage/ContentsPage.vue
+++ b/client/components/Reader/ContentsPage/ContentsPage.vue
@@ -359,6 +359,9 @@ class ContentsPage {
                     }
                 }
 
+                if (!item)
+                    return;
+
                 //вычисляем и смещаем tabPanel.scrollTop
                 let el = this.getFirstElem(this.$refs[`mainitem${item.key}`]);
                 let elShift = 0;
@@ -387,6 +390,9 @@ class ContentsPage {
                     }
                 }
 
+                if (!item)
+                    return;
+
                 //вычисляем и смещаем tabPanel.scrollTop
                 let el = this.getFirstElem(this.$refs[`image${item.key}`]);