diff --git a/perl-xCAT-2.0/xCAT/Table.pm b/perl-xCAT-2.0/xCAT/Table.pm
index 3fe14c4fd..1095bd05b 100644
--- a/perl-xCAT-2.0/xCAT/Table.pm
+++ b/perl-xCAT-2.0/xCAT/Table.pm
@@ -1498,6 +1498,9 @@ sub getAttribs
     }
     $statement .= "(\"disable\" is NULL or \"disable\" in ('0','no','NO','No','nO'))";
     my $query = $self->{dbh}->prepare($statement);
+    unless (defined $query) {
+        return undef;
+    }
     $query->execute(@exeargs);
     my $data;
     while ($data = $query->fetchrow_hashref())