diff --git a/gramps2/ChangeLog b/gramps2/ChangeLog
index b9a7f8000..2f5bff718 100644
--- a/gramps2/ChangeLog
+++ b/gramps2/ChangeLog
@@ -1,3 +1,6 @@
+2006-09-01  Brian Matherly  <brian@gramps-project.org>
+    * src/plugins/Calendar.py: fix filter typo
+
 2006-09-01  Alex Roitman  <shura@gramps-project.org>
 	* src/GrampsDb/_DbUtils.py: Use normal addition: this updates
 	reference_map properly.
diff --git a/gramps2/src/plugins/Calendar.py b/gramps2/src/plugins/Calendar.py
index 438fd7099..2a0760ee5 100644
--- a/gramps2/src/plugins/Calendar.py
+++ b/gramps2/src/plugins/Calendar.py
@@ -527,7 +527,7 @@ class FilterWidget(Widget):
             if filter in ["descendant families", "all filters"]:
                 f = GenericFilter()
                 f.set_name(_("Descendant Families of %s") % name)
-                f.add_rule(Rules.Person.IsDescendantFamilyOf([gramps_id]))
+                f.add_rule(Rules.Person.IsDescendantFamilyOf([gramps_id,1]))
                 retval.append(f)
             if filter in ["ancestors", "all filters"]:
                 f = GenericFilter()