diff --git a/frontend/src/lib/components/PdfViewer.svelte b/frontend/src/lib/components/PdfViewer.svelte
index 7705620b..2574e8d0 100644
--- a/frontend/src/lib/components/PdfViewer.svelte
+++ b/frontend/src/lib/components/PdfViewer.svelte
@@ -145,6 +145,7 @@ async function renderPage(doc: PDFDocumentProxy, pageNum: number) {
 
 	// Text layer
 	const textDiv = textLayerEl;
+	if (!textDiv) return;
 	textDiv.innerHTML = '';
 	textDiv.style.width = `${viewport.width / dpr}px`;
 	textDiv.style.height = `${viewport.height / dpr}px`;