diff --git a/go.mod b/go.mod
index d75cca7..d6d479f 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,7 @@ require (
 	github.com/alecthomas/chroma/v2 v2.27.0
 	github.com/andybalholm/brotli v1.2.2
 	github.com/ayn2op/arikawa/v3 v3.0.0-20260818212803-ea226484f0f9
-	github.com/ayn2op/ningen/v3 v3.0.1-0.20260818214204-4e9ec3f35437
+	github.com/ayn2op/ningen/v3 v3.0.1-0.20260819054921-216f8ed6e457
 	github.com/ayn2op/tview v0.0.0-20260819035318-feae08e2c6f8
 	github.com/bogdanfinn/fhttp v0.6.8
 	github.com/bogdanfinn/tls-client v1.15.1
diff --git a/go.sum b/go.sum
index e45038d..4e915e4 100644
--- a/go.sum
+++ b/go.sum
@@ -12,8 +12,8 @@ github.com/andybalholm/brotli v1.2.2 h1:HzTuoo2ErYQqf5qvcJInB8uvqSVxRttzkFexPWtn
 github.com/andybalholm/brotli v1.2.2/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
 github.com/ayn2op/arikawa/v3 v3.0.0-20260818212803-ea226484f0f9 h1:aCFnS+/kF7Yv/Vqb/Ax+1ZQ7l9OT7LB2Q3r7KHBqJf0=
 github.com/ayn2op/arikawa/v3 v3.0.0-20260818212803-ea226484f0f9/go.mod h1:O0QAm4VBLKBF01sofDEsAHGfD8+Tk8iWNYWksojTt6A=
-github.com/ayn2op/ningen/v3 v3.0.1-0.20260818214204-4e9ec3f35437 h1:hM4rXx8orr+kMEwCKtEq25m5GFih5ziW8lCJuwqr/Xs=
-github.com/ayn2op/ningen/v3 v3.0.1-0.20260818214204-4e9ec3f35437/go.mod h1:XhtckMjvipRb0JyG6nDpfoGu0p8jxxrHqjAlwAewejE=
+github.com/ayn2op/ningen/v3 v3.0.1-0.20260819054921-216f8ed6e457 h1:ohdx9vFlodHMslkPQpDnfqA1UcfUg+uivLkm/WOFy0Q=
+github.com/ayn2op/ningen/v3 v3.0.1-0.20260819054921-216f8ed6e457/go.mod h1:XhtckMjvipRb0JyG6nDpfoGu0p8jxxrHqjAlwAewejE=
 github.com/ayn2op/tview v0.0.0-20260819035318-feae08e2c6f8 h1:3kt9WBCPSpbr9KOnp0dY6tQAFY8rNwcDw7ykhnXf0Uk=
 github.com/ayn2op/tview v0.0.0-20260819035318-feae08e2c6f8/go.mod h1:igs0OTdkEsZekEFgIfHexy/vjVXYNO0N419pX9Dd5GM=
 github.com/bdandy/go-errors v1.2.2 h1:WdFv/oukjTJCLa79UfkGmwX7ZxONAihKu4V0mLIs11Q=
diff --git a/internal/ui/chat/guilds_tree.go b/internal/ui/chat/guilds_tree.go
index 9e1fba5..e2ef81e 100644
--- a/internal/ui/chat/guilds_tree.go
+++ b/internal/ui/chat/guilds_tree.go
@@ -319,7 +319,10 @@ func (gt *guildsTree) loadChannel(channel discord.Channel) tview.Cmd {
 			return nil
 		}
 
-		go gt.state.ReadState.MarkRead(channel.ID, channel.LastMessageID)
+		// The tree node may hold an older channel snapshot.
+		if lastMessageID := gt.state.LastMessage(channel.ID); lastMessageID.IsValid() {
+			go gt.state.ReadState.MarkRead(channel.ID, lastMessageID)
+		}
 
 		return channelLoadedMsg{Channel: channel, Messages: messages}
 	}