diff --git a/app/api/dashboard.py b/app/api/dashboard.py
index 463ba8d..8e33b7b 100644
--- a/app/api/dashboard.py
+++ b/app/api/dashboard.py
@@ -62,10 +62,12 @@ async def get_dashboard(
     today_rows = today_result.all()
     today_added = sum(row[1] for row in today_rows)
 
-    # Inbox 미분류 수
+    # Inbox 미분류 수 (ai_domain이 없는 문서 = 미분류)
     inbox_result = await session.execute(
         select(func.count(Document.id))
-        .where(Document.file_path.like("PKM/Inbox/%"))
+        .where(
+            (Document.ai_domain == None) | (Document.ai_domain == "")
+        )
     )
     inbox_count = inbox_result.scalar() or 0
 
diff --git a/frontend/src/routes/inbox/+page.svelte b/frontend/src/routes/inbox/+page.svelte
index 74883b5..33fbb7d 100644
--- a/frontend/src/routes/inbox/+page.svelte
+++ b/frontend/src/routes/inbox/+page.svelte
@@ -14,7 +14,7 @@
     try {
       // Inbox 파일만 필터
       const data = await api('/documents/?page_size=100');
-      documents = data.items.filter(d => d.file_path?.startsWith('PKM/Inbox/'));
+      documents = data.items.filter(d => !d.ai_domain);
     } catch (err) {
       addToast('error', 'Inbox 로딩 실패');
     } finally {