diff --git a/ChangeLog b/ChangeLog
index 4a028eb6..d6cc09da 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -24350,3 +24350,7 @@
 2023-08-17 Fred Gleason <fredg@paravelsystems.com>
 	* Fixed a bug in rdlibrary(1) where a SQL call was not properly
 	escaped.
+2023-08-20 Fred Gleason <fredg@paravelsystems.com>
+	* Fixed a bug in rdlibrary(1) that caused it to emit a SQL error when
+	processing notifications for cart object with one or more Scheduler
+	Codes selected.
diff --git a/rdlibrary/rdlibrary.cpp b/rdlibrary/rdlibrary.cpp
index d8578955..9b536640 100644
--- a/rdlibrary/rdlibrary.cpp
+++ b/rdlibrary/rdlibrary.cpp
@@ -702,6 +702,8 @@ void MainWidget::notificationReceivedData(RDNotification *notify)
 	  "from `CART` "+
 	  "left join `GROUPS` on `CART`.`GROUP_NAME`=`GROUPS`.`NAME` "+
 	  "left join `CUTS` on `CART`.`NUMBER`=`CUTS`.`CART_NUMBER` "+
+	  "left join `CART_SCHED_CODES` "+
+	  "on `CART`.`NUMBER`=`CART_SCHED_CODES`.`CART_NUMBER` "+
 	  lib_cart_filter->filterSql(and_fields);
 	q=new RDSqlQuery(sql);
 	if(q->first()) {