diff --git a/src/calibre/db/search.py b/src/calibre/db/search.py
index 03c86b36c9..afbbe7de1e 100644
--- a/src/calibre/db/search.py
+++ b/src/calibre/db/search.py
@@ -472,6 +472,8 @@ class Parser(SearchQueryParser):  # {{{
         self.virtual_fields = virtual_fields or {}
         if 'marked' not in self.virtual_fields:
             self.virtual_fields['marked'] = self
+        if 'in_tag_browser' not in self.virtual_fields:
+            self.virtual_fields['in_tag_browser'] = self
         SearchQueryParser.__init__(self, locations, optimize=True, lookup_saved_search=lookup_saved_search, parse_cache=parse_cache)
 
     @property
diff --git a/src/calibre/library/caches.py b/src/calibre/library/caches.py
index be4b24cf89..2bfcb2c564 100644
--- a/src/calibre/library/caches.py
+++ b/src/calibre/library/caches.py
@@ -938,6 +938,10 @@ class ResultCache(SearchQueryParser):  # {{{
             except:
                 pass
 
+        in_tag_browser_col = self.FIELD_MAP['in_tag_browser']
+        for r in self.iterall():
+            r[in_tag_browser_col] = None
+
     def get_marked(self, idx, index_is_id=True, default_value=None):
         id_ = idx if index_is_id else self[idx][0]
         return self.marked_ids_dict.get(id_, default_value)
@@ -1056,7 +1060,7 @@ class ResultCache(SearchQueryParser):  # {{{
             if item is not None:
                 item.append(db.book_on_device_string(item[0]))
                 # Temp mark and series_sort columns
-                item.extend((None, None))
+                item.extend((None, None, None))
 
         marked_col = self.FIELD_MAP['marked']
         for id_,val in iteritems(self.marked_ids_dict):
@@ -1065,6 +1069,10 @@ class ResultCache(SearchQueryParser):  # {{{
             except:
                 pass
 
+        in_tag_browser_col = self.FIELD_MAP['in_tag_browser']
+        for r in self.iterall():
+            r[in_tag_browser_col] = None
+
         self._map = [i[0] for i in self._data if i is not None]
         if field is not None:
             self.sort(field, ascending)
diff --git a/src/calibre/library/database2.py b/src/calibre/library/database2.py
index 233a3b2ab7..61a714cb4a 100644
--- a/src/calibre/library/database2.py
+++ b/src/calibre/library/database2.py
@@ -462,6 +462,8 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
         self.field_metadata.set_field_record_index('marked', base, prefer_custom=False)
         self.FIELD_MAP['series_sort'] = base = base+1
         self.field_metadata.set_field_record_index('series_sort', base, prefer_custom=False)
+        self.FIELD_MAP['in_tag_browser'] = base = base+1
+        self.field_metadata.set_field_record_index('in_tag_browser', base, prefer_custom=False)
 
         script = '''
         DROP VIEW IF EXISTS meta2;