diff --git a/apps/web/src/components/OneLoopStudio.tsx b/apps/web/src/components/OneLoopStudio.tsx
index f8e92fe98..b30eedcf0 100644
--- a/apps/web/src/components/OneLoopStudio.tsx
+++ b/apps/web/src/components/OneLoopStudio.tsx
@@ -489,6 +489,7 @@ export default function OneLoopStudio() {
   };
 
   const exportPkg = () => {
+    const filename = studioExportFilename(selected?.title || 'uvai-project');
     const insightActions = (selected?.insights?.actions || []).flatMap((action) => {
       if (typeof action === 'string') {
         return action.trim() ? [{ title: action.trim() }] : [];
@@ -508,7 +509,7 @@ export default function OneLoopStudio() {
       packFormation.artifacts.length === 0 &&
       packFormation.tools.length === 0
     ) {
-      const toast = studioExportToastMessage({ ok: false, kind: 'empty' });
+      const toast = studioExportToastMessage({ ok: false, kind: 'empty', filename });
       setExportToast(toast);
       return;
     }
@@ -525,7 +526,6 @@ export default function OneLoopStudio() {
         },
       });
       downloadScaffoldPackage(pkg);
-      const filename = studioExportFilename(pkg.projectName);
       const kind =
         packFormation.architecture || packFormation.artifacts.length > 0
           ? 'pack'
@@ -543,6 +543,7 @@ export default function OneLoopStudio() {
       const toast = studioExportToastMessage({
         ok: false,
         error: err instanceof Error ? err.message : 'Export failed.',
+        filename,
       });
       setExportToast(toast);
     }
diff --git a/apps/web/src/lib/__tests__/studio-pipeline-status.test.ts b/apps/web/src/lib/__tests__/studio-pipeline-status.test.ts
index 0afe3e3de..7c43c5608 100644
--- a/apps/web/src/lib/__tests__/studio-pipeline-status.test.ts
+++ b/apps/web/src/lib/__tests__/studio-pipeline-status.test.ts
@@ -372,18 +372,20 @@ describe('studio-pipeline-status', () => {
 
   it('returns a toast for export success and failure including filename', () => {
     expect(studioExportFilename('AI Gold Rushes')).toBe('AI Gold Rushes.zip');
+    const filename = 'AI Gold Rushes.zip';
     const pack = studioExportToastMessage({
       ok: true,
       kind: 'pack',
-      filename: 'AI Gold Rushes.zip',
+      filename,
     });
     expect(pack.tone).toBe('success');
     expect(pack.text).toMatch(/pack exported/i);
-    expect(pack.text).toContain('AI Gold Rushes.zip');
+    expect(pack.text).toContain(filename);
     expect(studioExportToastMessage({ ok: true, kind: 'sop' }).tone).toBe('success');
-    const failed = studioExportToastMessage({ ok: false, error: 'Disk full' });
+    const failed = studioExportToastMessage({ ok: false, error: 'Disk full', filename });
     expect(failed.tone).toBe('error');
-    expect(failed.text).toBe('Disk full');
+    expect(failed.text).toContain('Disk full');
+    expect(failed.text).toContain(filename);
     expect(studioExportToastMessage({ ok: false, kind: 'empty' }).tone).toBe('error');
 
     const studio = readFileSync(join(process.cwd(), 'src/components/OneLoopStudio.tsx'), 'utf8');
diff --git a/apps/web/src/lib/studio-pipeline-status.ts b/apps/web/src/lib/studio-pipeline-status.ts
index 87db998c0..b49240c23 100644
--- a/apps/web/src/lib/studio-pipeline-status.ts
+++ b/apps/web/src/lib/studio-pipeline-status.ts
@@ -364,7 +364,7 @@ export function studioExportToastMessage(input: {
   if (!input.ok || input.kind === 'empty') {
     return {
       tone: 'error',
-      text: input.error || 'Export failed — nothing to export yet.',
+      text: `${input.error || 'Export failed — nothing to export yet.'}${fileBit}`,
     };
   }
   if (input.kind === 'pack') {