diff --git a/lib/WebGUI/AssetLineage.pm b/lib/WebGUI/AssetLineage.pm
index e0c812205..c63662005 100644
--- a/lib/WebGUI/AssetLineage.pm
+++ b/lib/WebGUI/AssetLineage.pm
@@ -450,7 +450,7 @@ Returns an asset hash of the parent of current Asset.
 sub getParent {
 	my $self = shift;
 	return $self if ($self->getId eq "PBasset000000000000001");
-	$self->{_parent} = WebGUI::Asset->newByDynamicClass($self->session,$self->get("parentId")) unless (exists $self->{_parent});
+	$self->{_parent} = WebGUI::Asset->newByDynamicClass($self->session,$self->get("parentId")) unless (defined $self->{_parent});
 	return $self->{_parent};
 }