diff --git a/gramps/gui/editors/editplaceref.py b/gramps/gui/editors/editplaceref.py
index 165995380..f98618381 100644
--- a/gramps/gui/editors/editplaceref.py
+++ b/gramps/gui/editors/editplaceref.py
@@ -179,8 +179,8 @@ class EditPlaceRef(EditReference):
             self.latitude.set_text(value[:coma])
             self.top.get_object("lat_entry").validate(force=True)
             self.top.get_object("lon_entry").validate(force=True)
-            self.obj.set_latitude(self.latitude.get_value())
-            self.obj.set_longitude(self.longitude.get_value())
+            self.source.set_latitude(self.latitude.get_value())
+            self.source.set_longitude(self.longitude.get_value())
         except:
             pass