diff --git a/hivesterix-dist/src/test/resources/optimizerts/results/q21_suppliers_who_kept_orders_waiting.plan b/hivesterix-dist/src/test/resources/optimizerts/results/q21_suppliers_who_kept_orders_waiting.plan
index a22bf53..e4f2cd6 100644
--- a/hivesterix-dist/src/test/resources/optimizerts/results/q21_suppliers_who_kept_orders_waiting.plan
+++ b/hivesterix-dist/src/test/resources/optimizerts/results/q21_suppliers_who_kept_orders_waiting.plan
@@ -14,7 +14,7 @@
                }
         -- PRE_CLUSTERED_GROUP_BY[$$17]  |PARTITIONED|
           exchange 
-          -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$17(ASC)] HASH:[$$17]  |PARTITIONED|
+          -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$17(ASC), $$18(ASC)] HASH:[$$17]  |PARTITIONED|
             group by ([$$17 := %0->$$1; $$18 := %0->$$3]) decor ([]) {
                       aggregate [$$20] <- [function-call: hive:max(PARTIAL1), Args:[%0->$$3]]
                       -- AGGREGATE  |LOCAL|
@@ -50,7 +50,7 @@
                }
         -- PRE_CLUSTERED_GROUP_BY[$$17]  |PARTITIONED|
           exchange 
-          -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$17(ASC)] HASH:[$$17]  |PARTITIONED|
+          -- HASH_PARTITION_MERGE_EXCHANGE MERGE:[$$17(ASC), $$18(ASC)] HASH:[$$17]  |PARTITIONED|
             group by ([$$17 := %0->$$1; $$18 := %0->$$3]) decor ([]) {
                       aggregate [$$20] <- [function-call: hive:max(PARTIAL1), Args:[%0->$$3]]
                       -- AGGREGATE  |LOCAL|