diff --git a/src/backend/distributed/planner/multi_router_planner.c b/src/backend/distributed/planner/multi_router_planner.c
index a8a269e86..c38c00adf 100644
--- a/src/backend/distributed/planner/multi_router_planner.c
+++ b/src/backend/distributed/planner/multi_router_planner.c
@@ -389,9 +389,9 @@ RouterModifyTaskForShardInterval(Query *originalQuery, ShardInterval *shardInter
 	{
 		RelationRestriction *restriction = lfirst(restrictionCell);
 		List *originalBaserestrictInfo = restriction->relOptInfo->baserestrictinfo;
+		List *originalJoinInfo = restriction->relOptInfo->joininfo;
 		InstantiateQualContext instantiateQualWalker;
 		Var *relationPartitionKey = PartitionKey(restriction->relationId);
-		Var *relationPartitionKey = PartitionKey(restriction->relationId);
 
 		/*
 		 * We haven't added the quals if all participating tables are reference
@@ -409,8 +409,8 @@ RouterModifyTaskForShardInterval(Query *originalQuery, ShardInterval *shardInter
 			(List *) InstantiatePartitionQualWalker((Node *) originalBaserestrictInfo,
 													&instantiateQualWalker);
 		originalJoinInfo =
-			(List *) InstantiatePartitionQual((Node *) originalJoinInfo,
-											  instantiateQualWalker);
+			(List *) InstantiatePartitionQualWalker((Node *) originalJoinInfo,
+													&instantiateQualWalker);
 	}
 
 	/*