diff --git a/database/oracle/mode/rmanbackupage.pm b/database/oracle/mode/rmanbackupage.pm
index 55b1f4785..aee605963 100644
--- a/database/oracle/mode/rmanbackupage.pm
+++ b/database/oracle/mode/rmanbackupage.pm
@@ -85,13 +85,12 @@ sub run {
     $self->{sql}->connect();
     my $query;
     if (defined($self->{option_results}->{incremental_level})) {
-        $query = q{SELECT v$rman_status.object_type,
+        $query = q{SELECT v$rman_status.object_type,       
                     ((max(v$rman_status.start_time) - date '1970-01-01')*24*60*60) as last_time,
-                    NVL(v$backup_set_details.incremental_level, 0)
-                    FROM v$rman_status LEFT JOIN v$backup_set_details ON v$rman_status.session_recid = v$backup_set_details.session_recid
-                    WHERE operation='BACKUP'
-                    GROUP BY object_type, incremental_level ORDER BY last_time DESC
-        };
+                    v$backup_set_details.incremental_level,
+                   FROM v$rman_status LEFT JOIN v$backup_set_details ON v$rman_status.session_stamp = v$backup_set_details.session_stamp
+                   WHERE operation='BACKUP' and v$backup_set_details.incremental_level is not Null
+                   GROUP BY object_type, incremental_level};
     } else {
         $query = q{SELECT object_type,
                     ((max(start_time) - date '1970-01-01')*24*60*60) as last_time