diff --git a/src/calibre/gui2/dialogs/quickview.py b/src/calibre/gui2/dialogs/quickview.py
index 597edae057..7b3719a49a 100644
--- a/src/calibre/gui2/dialogs/quickview.py
+++ b/src/calibre/gui2/dialogs/quickview.py
@@ -149,6 +149,9 @@ class Quickview(QDialog, Ui_Quickview):
         key = self.view.model().column_map[self.current_column]
         book_id = self.view.model().id(bv_row)
 
+        if self.current_book_id == book_id and self.current_key == key:
+            return
+
         # Only show items for categories
         if not self.db.field_metadata[key]['is_category']:
             if self.current_key is None:
@@ -203,8 +206,7 @@ class Quickview(QDialog, Ui_Quickview):
             sv = selected_item
         sv = sv.replace('"', r'\"')
         self.last_search = self.current_key+':"=' + sv + '"'
-        books = self.db.search_getting_ids(self.last_search,
-                                           self.db.data.search_restriction)
+        books = self.db.search(self.last_search, return_matches=True)
 
         self.books_table.setRowCount(len(books))
         self.books_label.setText(_('Books with selected item "{0}": {1}').
diff --git a/src/calibre/gui2/library/views.py b/src/calibre/gui2/library/views.py
index ad28cd4186..e6a816621f 100644
--- a/src/calibre/gui2/library/views.py
+++ b/src/calibre/gui2/library/views.py
@@ -32,6 +32,7 @@ class HeaderView(QHeaderView):  # {{{
         self.hover = -1
         self.current_font = QFont(self.font())
         self.current_font.setBold(True)
+        self.current_font.setItalic(True)
 
     def event(self, e):
         if e.type() in (e.HoverMove, e.HoverEnter):