diff --git a/web/src/lib/components/repo/pulls/PullCommitListHeader.svelte b/web/src/lib/components/repo/pulls/PullCommitListHeader.svelte
index 4ce98929e..15d26457b 100644
--- a/web/src/lib/components/repo/pulls/PullCommitListHeader.svelte
+++ b/web/src/lib/components/repo/pulls/PullCommitListHeader.svelte
@@ -11,10 +11,10 @@
 	import TextSwap from "$lib/components/ui/TextSwap.svelte";
 
 	interface Props {
-		versions: PullSubmission[];
 		commits: CommitSummary[];
-		versionRange: Range;
-		oncommitVersions: (range: Range) => void;
+		versions?: PullSubmission[];
+		versionRange?: Range;
+		oncommitVersions?: (range: Range) => void;
 		showChangeIds?: boolean;
 		actions?: Snippet;
 	}
@@ -28,7 +28,7 @@
 		actions
 	}: Props = $props();
 
-	const isInterdiff = $derived(versionRange.start != versionRange.end);
+	const isInterdiff = $derived(!!versionRange && versionRange.start != versionRange.end);
 
 	const hasChangeIds = $derived(commits.some((commit) => commit.changeId !== undefined));
 
@@ -62,7 +62,9 @@
 	</div>
 	<div class="flex gap-2">
 		{@render actions?.()}
-		<Separator orientation="vertical" class="first:hidden" />
-		<PullVersionList {versions} range={versionRange} oncommit={oncommitVersions} />
+		{#if versions && versionRange}
+			<Separator orientation="vertical" class="first:hidden" />
+			<PullVersionList {versions} range={versionRange} oncommit={oncommitVersions} />
+		{/if}
 	</div>
 </div>