diff --git a/src/test/regress/expected/multi_mx_router_planner.out b/src/test/regress/expected/multi_mx_router_planner.out
index 5fb094fc8..5fa9ae5ff 100644
--- a/src/test/regress/expected/multi_mx_router_planner.out
+++ b/src/test/regress/expected/multi_mx_router_planner.out
@@ -1204,7 +1204,8 @@ SELECT
 	FROM
 		articles_hash_mx
  	GROUP BY
-		author_id;
+		author_id
+	ORDER BY c;
  c 
 ---
  4
diff --git a/src/test/regress/expected/multi_router_planner.out b/src/test/regress/expected/multi_router_planner.out
index c90de03b6..64cc2548f 100644
--- a/src/test/regress/expected/multi_router_planner.out
+++ b/src/test/regress/expected/multi_router_planner.out
@@ -1902,7 +1902,8 @@ SELECT
 	FROM
 		articles_hash
  	GROUP BY
-		author_id;
+		author_id
+	ORDER BY c;
  c 
 ---
  4
diff --git a/src/test/regress/sql/multi_mx_router_planner.sql b/src/test/regress/sql/multi_mx_router_planner.sql
index f83a27f39..53cb0ea10 100644
--- a/src/test/regress/sql/multi_mx_router_planner.sql
+++ b/src/test/regress/sql/multi_mx_router_planner.sql
@@ -529,7 +529,8 @@ SELECT
 	FROM
 		articles_hash_mx
  	GROUP BY
-		author_id;
+		author_id
+	ORDER BY c;
 
 -- queries inside transactions can be router plannable
 BEGIN;
diff --git a/src/test/regress/sql/multi_router_planner.sql b/src/test/regress/sql/multi_router_planner.sql
index f5f15b30f..5041d8355 100644
--- a/src/test/regress/sql/multi_router_planner.sql
+++ b/src/test/regress/sql/multi_router_planner.sql
@@ -911,7 +911,8 @@ SELECT
 	FROM
 		articles_hash
  	GROUP BY
-		author_id;
+		author_id
+	ORDER BY c;
 
 -- queries inside transactions can be router plannable
 BEGIN;