diff --git a/src/gui/views/treemodels/peoplemodel.py b/src/gui/views/treemodels/peoplemodel.py
index 521c8a95e..87ec4bdc6 100644
--- a/src/gui/views/treemodels/peoplemodel.py
+++ b/src/gui/views/treemodels/peoplemodel.py
@@ -131,7 +131,7 @@ class PeopleBaseModel(object):
             self.sort_death_day,
             self.column_death_place,
             self.column_spouse,
-            self.column_change,
+            self.sort_change,
             self.column_int_id,
             self.column_marker_text,
             self.column_marker_color,
@@ -219,6 +219,9 @@ class PeopleBaseModel(object):
     def column_id(self, data):
         return data[COLUMN_ID]
         
+    def sort_change(self,data):
+        return "%012x" % data[COLUMN_CHANGE]
+
     def column_change(self, data):
         return unicode(
             time.strftime('%x %X',
diff --git a/src/gui/views/treemodels/repomodel.py b/src/gui/views/treemodels/repomodel.py
index fb3d15f67..2d5ac4738 100644
--- a/src/gui/views/treemodels/repomodel.py
+++ b/src/gui/views/treemodels/repomodel.py
@@ -87,7 +87,7 @@ class RepositoryModel(FlatBaseModel):
             self.column_country,
             self.column_email,
             self.column_search_url,
-            self.column_change,           
+            self.sort_change,           
             self.column_handle,            
             ]
         
@@ -216,6 +216,9 @@ class RepositoryModel(FlatBaseModel):
     def column_tooltip(self,data):
         return ""
 
+    def sort_change(self,data):
+        return "%012x" % data[7]
+
     def column_change(self,data):
         return unicode(time.strftime('%x %X',time.localtime(data[7])),
                             GrampsLocale.codeset)