diff --git a/jdav_web/finance/admin.py b/jdav_web/finance/admin.py
index ed70b8f..80b740a 100644
--- a/jdav_web/finance/admin.py
+++ b/jdav_web/finance/admin.py
@@ -368,7 +368,7 @@ class StatementConfirmedAdmin(admin.ModelAdmin):
         context = dict(statement=statement.template_context(), excursion=excursion, settings=settings)
 
         pdf_filename = f"{excursion.code}_{excursion.name}_Zuschussbeleg" if excursion else f"Abrechnungsbeleg"
-        attachments = [bill.proof.path for bill in statement.bills_covered]
+        attachments = [bill.proof.path for bill in statement.bills_covered if bill.proof]
         return render_tex_with_attachments(pdf_filename, 'finance/statement_summary.tex', context, attachments)
 
     statement_summary_view.short_description = _('Download summary')