diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 5cdd01f1b39..e1e5cc22c56 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -11879,6 +11879,8 @@ do_pg_abort_backup(int code, Datum arg)
 	{
 		XLogCtl->Insert.forcePageWrites = false;
 	}
+
+	sessionBackupState = SESSION_BACKUP_NONE;
 	WALInsertLockRelease();
 
 	if (emit_warning)