diff --git a/plugins/chunter-resources/src/components/Channel.svelte b/plugins/chunter-resources/src/components/Channel.svelte
index 24885ba120..47dc2de9f5 100644
--- a/plugins/chunter-resources/src/components/Channel.svelte
+++ b/plugins/chunter-resources/src/components/Channel.svelte
@@ -105,11 +105,11 @@
   function newMessagesStart (messages: Message[], docUpdates: Map<Ref<Doc>, DocUpdates>): number {
     if (space === undefined) return -1
     const docUpdate = docUpdates.get(space)
-    const lastView = docUpdate?.txes?.[0]?.modifiedOn
+    const lastView = docUpdate?.txes?.findLast((tx) => !tx.isNew)
     if (docUpdate === undefined || lastView === undefined) return -1
     for (let index = 0; index < messages.length; index++) {
       const message = messages[index]
-      if ((message.createdOn ?? 0) >= lastView) return index
+      if ((message.createdOn ?? 0) >= lastView.modifiedOn) return index
     }
     return -1
   }
diff --git a/plugins/workbench-resources/src/components/navigator/SpacesNav.svelte b/plugins/workbench-resources/src/components/navigator/SpacesNav.svelte
index 6f63fc8e1b..76bacacb90 100644
--- a/plugins/workbench-resources/src/components/navigator/SpacesNav.svelte
+++ b/plugins/workbench-resources/src/components/navigator/SpacesNav.svelte
@@ -105,7 +105,7 @@
   function isChanged (space: Space, docUpdates: Map<Ref<Doc>, DocUpdates>): boolean {
     const update = docUpdates.get(space._id)
     if (update === undefined) return false
-    return update.txes.length > 0 && update.hidden !== true
+    return update.txes.filter((tx) => tx.isNew).length > 0 && update.hidden !== true
   }
 
   function getParentActions (): Action[] {