diff --git a/KMMO/kmmo.sql b/KMMO/kmmo.sql
index 5b50bec88..d728bc02e 100644
--- a/KMMO/kmmo.sql
+++ b/KMMO/kmmo.sql
@@ -209,6 +209,8 @@ AS
       ORDER BY fac_imp_file_index;
 
    CURSOR c_dis IS
+        SELECT '1 - onderbouw' disc FROM DUAL
+        UNION
         SELECT '5 - installaties werktuigbouwkunde' disc FROM DUAL
         UNION
         SELECT '2 - ruwbouw' FROM DUAL
@@ -481,9 +483,7 @@ BEGIN
             THEN
                 INSERT INTO ins_srtgroep (ins_discipline_key,
                                           ins_srtgroep_omschrijving)
-                     VALUES (v_discipline_key, rec_grp.groep)
-                  RETURNING ins_discipline_key
-                       INTO v_discipline_key;
+                     VALUES (v_discipline_key, rec_grp.groep);
          END;
       END LOOP;
    END IF;