diff --git a/src/components/observer/reports/evaluation-report-tabs.tsx b/src/components/observer/reports/evaluation-report-tabs.tsx
index d1914e6..3593eb1 100644
--- a/src/components/observer/reports/evaluation-report-tabs.tsx
+++ b/src/components/observer/reports/evaluation-report-tabs.tsx
@@ -546,7 +546,7 @@ function JurorsSubTab({ roundId, selectedValue }: { roundId: string; selectedVal
       {isLoading ? (
         <Skeleton className="h-[400px]" />
       ) : jurors.length > 0 ? (
-        <ExpandableJurorTable jurors={jurors} />
+        <ExpandableJurorTable jurors={jurors} roundId={roundId} />
       ) : hasSelection ? (
         <Card>
           <CardContent className="flex items-center justify-center py-12">
diff --git a/src/components/observer/reports/expandable-juror-table.tsx b/src/components/observer/reports/expandable-juror-table.tsx
index 2c99fab..1127864 100644
--- a/src/components/observer/reports/expandable-juror-table.tsx
+++ b/src/components/observer/reports/expandable-juror-table.tsx
@@ -30,6 +30,7 @@ interface JurorRow {
 
 interface ExpandableJurorTableProps {
   jurors: JurorRow[]
+  roundId?: string
 }
 
 function evalStatusBadge(status: string) {
@@ -56,7 +57,7 @@ function ScorePill({ score }: { score: number }) {
   )
 }
 
-export function ExpandableJurorTable({ jurors }: ExpandableJurorTableProps) {
+export function ExpandableJurorTable({ jurors, roundId }: ExpandableJurorTableProps) {
   const [expanded, setExpanded] = useState<string | null>(null)
   const [previewProjectId, setPreviewProjectId] = useState<string | null>(null)
 
@@ -260,6 +261,7 @@ export function ExpandableJurorTable({ jurors }: ExpandableJurorTableProps) {
       {/* Project Preview Dialog */}
       <ProjectPreviewDialog
         projectId={previewProjectId}
+        roundId={roundId}
         open={!!previewProjectId}
         onOpenChange={(open) => { if (!open) setPreviewProjectId(null) }}
       />
diff --git a/src/components/observer/reports/filtering-report-tabs.tsx b/src/components/observer/reports/filtering-report-tabs.tsx
index 3374d79..46891ec 100644
--- a/src/components/observer/reports/filtering-report-tabs.tsx
+++ b/src/components/observer/reports/filtering-report-tabs.tsx
@@ -334,6 +334,7 @@ export function FilteringReportTabs({ roundId }: FilteringReportTabsProps) {
 
       <ProjectPreviewDialog
         projectId={previewProjectId}
+        roundId={roundId}
         open={!!previewProjectId}
         onOpenChange={(open) => { if (!open) setPreviewProjectId(null) }}
       />
diff --git a/src/components/observer/reports/project-preview-dialog.tsx b/src/components/observer/reports/project-preview-dialog.tsx
index 24d3d56..88b4240 100644
--- a/src/components/observer/reports/project-preview-dialog.tsx
+++ b/src/components/observer/reports/project-preview-dialog.tsx
@@ -21,6 +21,7 @@ import { scoreGradient } from '@/components/charts/chart-theme'
 
 interface ProjectPreviewDialogProps {
   projectId: string | null
+  roundId?: string
   open: boolean
   onOpenChange: (open: boolean) => void
 }
@@ -38,9 +39,9 @@ function ScorePill({ score }: { score: number }) {
   )
 }
 
-export function ProjectPreviewDialog({ projectId, open, onOpenChange }: ProjectPreviewDialogProps) {
+export function ProjectPreviewDialog({ projectId, roundId, open, onOpenChange }: ProjectPreviewDialogProps) {
   const { data, isLoading } = trpc.analytics.getProjectDetail.useQuery(
-    { id: projectId! },
+    { id: projectId!, roundId },
     { enabled: !!projectId && open },
   )