diff --git a/webui/src/web-components/sketch-app-shell.ts b/webui/src/web-components/sketch-app-shell.ts
index d3bf00d..b0177a0 100644
--- a/webui/src/web-components/sketch-app-shell.ts
+++ b/webui/src/web-components/sketch-app-shell.ts
@@ -1408,6 +1408,7 @@
                 .firstMessageIndex=${this.containerState?.first_message_index ||
                 0}
                 .state=${this.containerState}
+                .dataManager=${this.dataManager}
               ></sketch-timeline>
             </div>
           </div>