diff --git a/tui/gniza.tcss b/tui/gniza.tcss
index c511c2d..5a83b92 100644
--- a/tui/gniza.tcss
+++ b/tui/gniza.tcss
@@ -193,10 +193,21 @@ SelectionList {
     border: thick $accent;
 }
 
+#ol-header {
+    height: auto;
+    margin: 0 0 1 0;
+}
+
 #ol-title {
     text-style: bold;
     color: #00cc00;
-    margin: 0 0 1 0;
+    width: 1fr;
+}
+
+#ol-spinner {
+    width: auto;
+    min-width: 4;
+    height: 1;
 }
 
 #ol-log {
diff --git a/tui/screens/backup.py b/tui/screens/backup.py
index a927c0a..77f90ce 100644
--- a/tui/screens/backup.py
+++ b/tui/screens/backup.py
@@ -77,6 +77,7 @@ class BackupScreen(Screen):
             log_screen.write("\n[green]Backup completed successfully.[/green]")
         else:
             log_screen.write(f"\n[red]Backup failed (exit code {rc}).[/red]")
+        log_screen.finish()
 
     @work
     async def _do_backup_all(self) -> None:
@@ -87,6 +88,7 @@ class BackupScreen(Screen):
             log_screen.write("\n[green]All backups completed.[/green]")
         else:
             log_screen.write(f"\n[red]Backup failed (exit code {rc}).[/red]")
+        log_screen.finish()
 
     def action_go_back(self) -> None:
         self.app.pop_screen()
diff --git a/tui/screens/remotes.py b/tui/screens/remotes.py
index e742b4e..2666c0b 100644
--- a/tui/screens/remotes.py
+++ b/tui/screens/remotes.py
@@ -94,6 +94,7 @@ class RemotesScreen(Screen):
             log_screen.write("\n[green]Connection test passed.[/green]")
         else:
             log_screen.write(f"\n[red]Connection test failed (exit code {rc}).[/red]")
+        log_screen.finish()
 
     def _delete_remote(self, name: str) -> None:
         conf = CONFIG_DIR / "remotes.d" / f"{name}.conf"
diff --git a/tui/screens/restore.py b/tui/screens/restore.py
index 9b186c7..25ef505 100644
--- a/tui/screens/restore.py
+++ b/tui/screens/restore.py
@@ -122,6 +122,7 @@ class RestoreScreen(Screen):
             log_screen.write("\n[green]Restore completed successfully.[/green]")
         else:
             log_screen.write(f"\n[red]Restore failed (exit code {rc}).[/red]")
+        log_screen.finish()
 
     def action_go_back(self) -> None:
         self.app.pop_screen()
diff --git a/tui/screens/retention.py b/tui/screens/retention.py
index 0a99d96..25ee310 100644
--- a/tui/screens/retention.py
+++ b/tui/screens/retention.py
@@ -75,6 +75,7 @@ class RetentionScreen(Screen):
             log_screen.write("\n[green]Cleanup completed.[/green]")
         else:
             log_screen.write(f"\n[red]Cleanup failed (exit code {rc}).[/red]")
+        log_screen.finish()
 
     @work
     async def _do_cleanup_all(self) -> None:
@@ -85,6 +86,7 @@ class RetentionScreen(Screen):
             log_screen.write("\n[green]All cleanups completed.[/green]")
         else:
             log_screen.write(f"\n[red]Cleanup failed (exit code {rc}).[/red]")
+        log_screen.finish()
 
     def action_go_back(self) -> None:
         self.app.pop_screen()
diff --git a/tui/screens/schedule.py b/tui/screens/schedule.py
index db0a06d..88e722f 100644
--- a/tui/screens/schedule.py
+++ b/tui/screens/schedule.py
@@ -225,6 +225,7 @@ class ScheduleScreen(Screen):
             log_screen.write(stdout)
         if stderr:
             log_screen.write(stderr)
+        log_screen.finish()
 
     @work
     async def _remove_schedules(self) -> None:
@@ -235,6 +236,7 @@ class ScheduleScreen(Screen):
             log_screen.write(stdout)
         if stderr:
             log_screen.write(stderr)
+        log_screen.finish()
 
     @work
     async def _show_crontab(self) -> None:
@@ -245,6 +247,7 @@ class ScheduleScreen(Screen):
             log_screen.write(stdout)
         if stderr:
             log_screen.write(stderr)
+        log_screen.finish()
 
     def action_go_back(self) -> None:
         self.app.pop_screen()
diff --git a/tui/widgets/operation_log.py b/tui/widgets/operation_log.py
index 1b1176a..e644087 100644
--- a/tui/widgets/operation_log.py
+++ b/tui/widgets/operation_log.py
@@ -3,8 +3,8 @@ import asyncio
 from rich.text import Text
 from textual.app import ComposeResult
 from textual.screen import ModalScreen
-from textual.widgets import RichLog, Button, Static
-from textual.containers import Vertical
+from textual.widgets import RichLog, Button, Static, LoadingIndicator
+from textual.containers import Vertical, Horizontal
 
 
 class OperationLog(ModalScreen[None]):
@@ -16,10 +16,13 @@ class OperationLog(ModalScreen[None]):
         self._title = title
         self._mounted_event = asyncio.Event()
         self._buffer: list[str] = []
+        self._running = True
 
     def compose(self) -> ComposeResult:
         with Vertical(id="op-log"):
-            yield Static(self._title, id="ol-title")
+            with Horizontal(id="ol-header"):
+                yield Static(self._title, id="ol-title")
+                yield LoadingIndicator(id="ol-spinner")
             yield RichLog(id="ol-log", wrap=True, highlight=True, markup=True)
             yield Button("Close", variant="primary", id="ol-close")
 
@@ -43,6 +46,13 @@ class OperationLog(ModalScreen[None]):
         else:
             log.write(text)
 
+    def finish(self) -> None:
+        self._running = False
+        try:
+            self.query_one("#ol-spinner", LoadingIndicator).display = False
+        except Exception:
+            pass
+
     def write(self, text: str) -> None:
         if not self._mounted_event.is_set():
             self._buffer.append(text)