diff --git a/ChangeLog b/ChangeLog
index bc2d288f7..e6612ab5c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+2007-10-27 Benny Malengier <benny.malengier@gramps-project.org>
+	* src/Relationship.py: fix typo
+
 2007-10-27 Benny Malengier <benny.malengier@gramps-project.org>
 	* src/Relationship.py: begin of extension to step and in-law
 	NOT finished.
diff --git a/src/Relationship.py b/src/Relationship.py
index 1a98c33f4..9b3c9761b 100644
--- a/src/Relationship.py
+++ b/src/Relationship.py
@@ -752,7 +752,7 @@ class RelationshipCalculator:
                     father = db.get_person_from_handle(fhandle)
                     if childrel[0][1] == gen.lib.ChildRefType.BIRTH :
                         addstr = self.REL_FATHER
-                    elif not self.only_birth :
+                    elif not self.__only_birth :
                         addstr = self.REL_FATHER_NOTBIRTH
                     else :
                         addstr = ''
@@ -767,7 +767,7 @@ class RelationshipCalculator:
                     mother = db.get_person_from_handle(mhandle)
                     if childrel[0][0] == gen.lib.ChildRefType.BIRTH :
                         addstr = self.REL_MOTHER
-                    elif not self.only_birth :
+                    elif not self.__only_birth :
                         addstr = self.REL_MOTHER_NOTBIRTH
                     else :
                         addstr = ''