diff --git a/src/calibre/gui2/custom_column_widgets.py b/src/calibre/gui2/custom_column_widgets.py
index d69d4b708c..bbca774332 100644
--- a/src/calibre/gui2/custom_column_widgets.py
+++ b/src/calibre/gui2/custom_column_widgets.py
@@ -134,7 +134,7 @@ class Rating(Int):
         w = self.widgets[1]
         w.setRange(0, 5)
         w.setSuffix(' '+_('star(s)'))
-        w.setSpecialValueText(_('Unrated'))
+        w.setSpecialValueText(_('Not rated'))
 
     def setter(self, val):
         if val is None:
@@ -794,7 +794,7 @@ class BulkRating(BulkBase):
         self.make_widgets(parent, QSpinBox)
         self.main_widget.setRange(0, 5)
         self.main_widget.setSuffix(' '+_('star(s)'))
-        self.main_widget.setSpecialValueText(_('Unrated'))
+        self.main_widget.setSpecialValueText(_('Not rated'))
         self.main_widget.setSingleStep(1)
 
     def setter(self, val):
diff --git a/src/calibre/gui2/library/delegates.py b/src/calibre/gui2/library/delegates.py
index 8b38da4fce..ae986d7402 100644
--- a/src/calibre/gui2/library/delegates.py
+++ b/src/calibre/gui2/library/delegates.py
@@ -189,6 +189,7 @@ class RatingDelegate(QStyledItemDelegate, UpdateEditorGeometry):  # {{{
         sb.setMinimum(0)
         sb.setMaximum(5)
         sb.setSuffix(' ' + _('stars'))
+        sb.setSpecialValueText(_('Not rated'))
         return sb
 
     def get_required_width(self, editor, style, fm):
diff --git a/src/calibre/gui2/metadata/basic_widgets.py b/src/calibre/gui2/metadata/basic_widgets.py
index cf24baec61..cce340fed1 100644
--- a/src/calibre/gui2/metadata/basic_widgets.py
+++ b/src/calibre/gui2/metadata/basic_widgets.py
@@ -1242,6 +1242,7 @@ class RatingEdit(make_undoable(QSpinBox), ToMetadataMixin):  # {{{
         self.setWhatsThis(self.TOOLTIP)
         self.setMaximum(5)
         self.setSuffix(' ' + _('stars'))
+        self.setSpecialValueText(_('Not rated'))
 
     @dynamic_property
     def current_val(self):