diff --git a/emmental/sidebar/playlist.py b/emmental/sidebar/playlist.py
index 0a4dead..71c3d03 100644
--- a/emmental/sidebar/playlist.py
+++ b/emmental/sidebar/playlist.py
@@ -59,6 +59,7 @@ class Section(section.Section):
 
     def __add_new_playlist(self, entry: Gtk.Entry) -> None:
         if self.table.create(entry.get_text()) is not None:
+            self.table.sql.commit()
             self.extra_widget.popdown()
 
     def __entry_changed(self, entry: Gtk.Entry) -> None:
diff --git a/tests/sidebar/test_playlist.py b/tests/sidebar/test_playlist.py
index 4813ffe..7427cec 100644
--- a/tests/sidebar/test_playlist.py
+++ b/tests/sidebar/test_playlist.py
@@ -68,23 +68,28 @@ class TestPlaylists(tests.util.TestCase):
 
         with unittest.mock.patch.object(self.playlists.extra_widget,
                                         "popdown") as mock_popdown:
-            self.playlists._entry.emit("activate")
-            self.assertEqual(len(self.sql.playlists), 0)
-            mock_popdown.assert_not_called()
+            with unittest.mock.patch.object(self.sql, "commit") as mock_commit:
+                self.playlists._entry.emit("activate")
+                self.assertEqual(len(self.sql.playlists), 0)
+                mock_popdown.assert_not_called()
+                mock_commit.assert_not_called()
 
-            self.playlists._entry.set_text("Test 1")
-            self.playlists._entry.emit("activate")
-            self.assertEqual(len(self.sql.playlists), 1)
-            self.assertEqual(self.sql.playlists.get_item(0).name, "Test 1")
-            mock_popdown.assert_called()
+                self.playlists._entry.set_text("Test 1")
+                self.playlists._entry.emit("activate")
+                self.assertEqual(len(self.sql.playlists), 1)
+                self.assertEqual(self.sql.playlists.get_item(0).name, "Test 1")
+                mock_popdown.assert_called()
+                mock_commit.assert_called()
 
-            mock_popdown.reset_mock()
-            self.playlists._entry.set_text("Test 2")
-            self.playlists._entry.emit("icon-release",
-                                       Gtk.EntryIconPosition.PRIMARY)
-            self.assertEqual(len(self.sql.playlists), 2)
-            self.assertEqual(self.sql.playlists.get_item(1).name, "Test 2")
-            mock_popdown.assert_called()
+                mock_popdown.reset_mock()
+                mock_commit.reset_mock()
+                self.playlists._entry.set_text("Test 2")
+                self.playlists._entry.emit("icon-release",
+                                           Gtk.EntryIconPosition.PRIMARY)
+                self.assertEqual(len(self.sql.playlists), 2)
+                self.assertEqual(self.sql.playlists.get_item(1).name, "Test 2")
+                mock_popdown.assert_called()
+                mock_commit.assert_called()
 
         self.playlists._entry.set_text("Test 3")
         self.assertEqual(self.playlists._entry.get_icon_name(