diff --git a/src/app/page.tsx b/src/app/page.tsx
index ccda8d0..03755ce 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -44,7 +44,12 @@ import {
   showSuccessToast,
   showToast,
 } from "@/lib/toast-utils";
-import type { BrowserProfile, CamoufoxConfig, WayfernConfig } from "@/types";
+import type {
+  BrowserProfile,
+  CamoufoxConfig,
+  SyncSettings,
+  WayfernConfig,
+} from "@/types";
 
 type BrowserTypeString =
   | "firefox"
@@ -105,6 +110,23 @@ export default function Home() {
     (cloudUser?.subscriptionStatus === "active" ||
       cloudUser?.planPeriod === "lifetime");
 
+  const [selfHostedSyncConfigured, setSelfHostedSyncConfigured] =
+    useState(false);
+
+  const checkSelfHostedSync = useCallback(async () => {
+    try {
+      const settings = await invoke<SyncSettings>("get_sync_settings");
+      const hasConfig = Boolean(
+        settings.sync_server_url && settings.sync_token,
+      );
+      setSelfHostedSyncConfigured(hasConfig && !cloudUser);
+    } catch {
+      setSelfHostedSyncConfigured(false);
+    }
+  }, [cloudUser]);
+
+  const syncUnlocked = crossOsUnlocked || selfHostedSyncConfigured;
+
   const [createProfileDialogOpen, setCreateProfileDialogOpen] = useState(false);
   const [settingsDialogOpen, setSettingsDialogOpen] = useState(false);
   const [integrationsDialogOpen, setIntegrationsDialogOpen] = useState(false);
@@ -895,6 +917,11 @@ export default function Home() {
     }
   }, [isInitialized, checkAllPermissions]);
 
+  // Check self-hosted sync config on mount and when cloud user changes
+  useEffect(() => {
+    void checkSelfHostedSync();
+  }, [checkSelfHostedSync]);
+
   // Filter data by selected group and search query
   const filteredProfiles = useMemo(() => {
     let filtered = profiles;
@@ -978,6 +1005,7 @@ export default function Home() {
             onOpenProfileSyncDialog={handleOpenProfileSyncDialog}
             onToggleProfileSync={handleToggleProfileSync}
             crossOsUnlocked={crossOsUnlocked}
+            syncUnlocked={syncUnlocked}
           />
         </div>
       </main>
@@ -1122,6 +1150,7 @@ export default function Home() {
         isOpen={syncConfigDialogOpen}
         onClose={(loginOccurred) => {
           setSyncConfigDialogOpen(false);
+          void checkSelfHostedSync();
           if (loginOccurred) {
             setSyncAllDialogOpen(true);
           }
diff --git a/src/components/profile-data-table.tsx b/src/components/profile-data-table.tsx
index bfb0e1e..a1ca3d9 100644
--- a/src/components/profile-data-table.tsx
+++ b/src/components/profile-data-table.tsx
@@ -186,6 +186,7 @@ type TableMeta = {
   onOpenProfileSyncDialog?: (profile: BrowserProfile) => void;
   onToggleProfileSync?: (profile: BrowserProfile) => void;
   crossOsUnlocked?: boolean;
+  syncUnlocked?: boolean;
 
   // Country proxy creation (inline in proxy dropdown)
   countries: LocationItem[];
@@ -764,6 +765,7 @@ interface ProfilesDataTableProps {
   onOpenProfileSyncDialog?: (profile: BrowserProfile) => void;
   onToggleProfileSync?: (profile: BrowserProfile) => void;
   crossOsUnlocked?: boolean;
+  syncUnlocked?: boolean;
 }
 
 export function ProfilesDataTable({
@@ -787,6 +789,7 @@ export function ProfilesDataTable({
   onOpenProfileSyncDialog,
   onToggleProfileSync,
   crossOsUnlocked = false,
+  syncUnlocked = false,
 }: ProfilesDataTableProps) {
   const { getTableSorting, updateSorting, isLoaded } = useTableSorting();
   const [sorting, setSorting] = React.useState<SortingState>([]);
@@ -1472,6 +1475,7 @@ export function ProfilesDataTable({
       onOpenProfileSyncDialog,
       onToggleProfileSync,
       crossOsUnlocked,
+      syncUnlocked,
 
       // Country proxy creation
       countries,
@@ -1523,6 +1527,7 @@ export function ProfilesDataTable({
       onOpenProfileSyncDialog,
       onToggleProfileSync,
       crossOsUnlocked,
+      syncUnlocked,
       countries,
       canCreateLocationProxy,
       loadCountries,
@@ -2332,15 +2337,15 @@ export function ProfilesDataTable({
                   </DropdownMenuItem>
                   <DropdownMenuItem
                     onClick={() => {
-                      if (meta.crossOsUnlocked) {
+                      if (meta.syncUnlocked) {
                         meta.onToggleProfileSync?.(profile);
                       }
                     }}
-                    disabled={!meta.crossOsUnlocked || isCrossOs}
+                    disabled={!meta.syncUnlocked || isCrossOs}
                   >
                     <span className="flex items-center gap-2">
                       {profile.sync_enabled ? "Disable Sync" : "Enable Sync"}
-                      {!meta.crossOsUnlocked && (
+                      {!meta.syncUnlocked && (
                         <LuLock className="w-3 h-3 text-muted-foreground" />
                       )}
                     </span>