diff --git a/perl-xCAT/xCAT/SINV.pm b/perl-xCAT/xCAT/SINV.pm
index c9d85bbe4..1f3418fc6 100644
--- a/perl-xCAT/xCAT/SINV.pm
+++ b/perl-xCAT/xCAT/SINV.pm
@@ -1183,6 +1183,7 @@ sub writereport
         #print list of nodes
         @nodenames = @{$nodehash{$template}};
         my $nodelist = "";
+        @nodearray=();
         foreach my $nodenameline (@nodenames)
         {