diff --git a/web/src/lib/components/summit_log/summit_log_table.svelte b/web/src/lib/components/summit_log/summit_log_table.svelte
index bae5d279..873e7120 100644
--- a/web/src/lib/components/summit_log/summit_log_table.svelte
+++ b/web/src/lib/components/summit_log/summit_log_table.svelte
@@ -75,7 +75,7 @@
             {#if summitLogs.some((l) => l.text?.length)}
                 <th>{$_("description")}</th>
             {/if}
-            {#if showAuthor}
+            {#if showAuthor && summitLogs.some(l => l.expand.author)}
                 <th>
                     {$_("author", { values: { n: 1 } })}
                 </th>
diff --git a/web/src/routes/api/v1/trail/[id]/+server.ts b/web/src/routes/api/v1/trail/[id]/+server.ts
index 892a197a..dd57ace0 100644
--- a/web/src/routes/api/v1/trail/[id]/+server.ts
+++ b/web/src/routes/api/v1/trail/[id]/+server.ts
@@ -25,7 +25,9 @@ export async function GET(event: RequestEvent) {
             if (!log.expand) {
                 log.expand = {} as any
             }
-            log.expand.author = await pb.collection("users_anonymous").getOne(log.author!);
+            if(log.author) {
+                log.expand.author = await pb.collection("users_anonymous").getOne(log.author);
+            }
         }
         return json(r)
     } catch (e: any) {