diff --git a/xCAT-server/lib/xcat/plugins/aixinstall.pm b/xCAT-server/lib/xcat/plugins/aixinstall.pm
index c8a6c8c60..97ec3361b 100644
--- a/xCAT-server/lib/xcat/plugins/aixinstall.pm
+++ b/xCAT-server/lib/xcat/plugins/aixinstall.pm
@@ -1709,7 +1709,7 @@ sub chkosimage
 		}
 	}
 
-	if ($::CLEANLPP) {
+	if ($::CLEANLPP && $remlist) {
 		my $rsp;
 		push @{$rsp->{data}}, "Removed the following duplicate rpms:\n$remlist\n";
 		xCAT::MsgUtils->message("I", $rsp, $callback);