diff --git a/src/backend/executor/nodeModifyTable.c b/src/backend/executor/nodeModifyTable.c
index 2bc89bf84dc..443d4523789 100644
--- a/src/backend/executor/nodeModifyTable.c
+++ b/src/backend/executor/nodeModifyTable.c
@@ -3612,6 +3612,7 @@ ExecMergeNotMatched(ModifyTableContext *context, ResultRelInfo *resultRelInfo,
 		MergeActionState *action = (MergeActionState *) lfirst(l);
 		CmdType		commandType = action->mas_action->commandType;
 		TupleTableSlot *newslot;
+		char relkind;
 
 		/*
 		 * Test condition, if any.
@@ -3635,9 +3636,15 @@ ExecMergeNotMatched(ModifyTableContext *context, ResultRelInfo *resultRelInfo,
 				 */
 				newslot = ExecProject(action->mas_proj);
 				mtstate->mt_merge_action = action;
+				relkind = mtstate->rootResultRelInfo->ri_RelationDesc->rd_rel->relkind;
 
-				rslot = ExecInsert(context, mtstate->rootResultRelInfo,
+				if (relkind == RELKIND_PARTITIONED_TABLE)
+					rslot = ExecInsert(context, mtstate->rootResultRelInfo,
 								   newslot, canSetTag, NULL, NULL);
+				else
+					rslot = ExecInsert(context, resultRelInfo,
+								   newslot, canSetTag, NULL, NULL);
+
 				mtstate->mt_merge_inserted += 1;
 				break;
 			case CMD_NOTHING: