diff --git a/ChangeLog b/ChangeLog
index 37dea3bc..267601f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22930,3 +22930,7 @@
 2022-03-02 Fred Gleason <fredg@paravelsystems.com>
 	* Implemented sorting of the group list in the 'Rivendell Group
 	List' dialog in rdadmin(1).
+2022-03-04 Fred Gleason <fredg@paravelsystems.com>
+	* Fixed a bug in rdimport(1) that could create duplicate
+	Scheduler Code entries when using the '--to-cart' and
+	'--add-scheduler-code' switches simultaneously.
diff --git a/lib/rdcart.cpp b/lib/rdcart.cpp
index 900e26ba..9477e675 100644
--- a/lib/rdcart.cpp
+++ b/lib/rdcart.cpp
@@ -2,7 +2,7 @@
 //
 // Abstract a Rivendell Cart.
 //
-//   (C) Copyright 2002-2021 Fred Gleason <fredg@paravelsystems.com>
+//   (C) Copyright 2002-2022 Fred Gleason <fredg@paravelsystems.com>
 //
 //   This program is free software; you can redistribute it and/or modify
 //   it under the terms of the GNU General Public License version 2 as
@@ -308,23 +308,36 @@ QStringList RDCart::schedCodesList() const
 }
 
 
-void RDCart::setSchedCodesList(const QStringList &codes) const
+void RDCart::setSchedCodesList(QStringList codes) const
 {
-  RDSqlQuery *q;
   QString sql;
+  RDSqlQuery *q;
   QString sched_codes="";
   
   sql=QString("delete from `CART_SCHED_CODES` where ")+
     QString::asprintf("`CART_NUMBER`=%u",cart_number);
+  RDSqlQuery::apply(sql);
+
+  //
+  // Normalize Codes
+  //
+  sql=QString("select `CODE` from `SCHED_CODES`");
   q=new RDSqlQuery(sql);
+  while(q->next()) {
+    for(int i=0;i<codes.size();i++) {
+      if(codes.at(i).toLower()==q->value(0).toString().toLower()) {
+	codes[i]=q->value(0).toString();
+      }
+    }
+  }
   delete q;
+  codes.removeDuplicates();
 
   for(int i=0;i<codes.size();i++) {
     sql=QString("insert into `CART_SCHED_CODES` set ")+
       QString::asprintf("`CART_NUMBER`=%u,",cart_number)+
       "SCHED_CODE='"+RDEscapeString(codes.at(i))+"'";
-    q=new RDSqlQuery(sql);
-    delete q;
+    RDSqlQuery::apply(sql);
   }
 }
 
diff --git a/lib/rdcart.h b/lib/rdcart.h
index d62bd26e..0fd95158 100644
--- a/lib/rdcart.h
+++ b/lib/rdcart.h
@@ -2,7 +2,7 @@
 //
 // Abstract a Rivendell Cart
 //
-//   (C) Copyright 2002-2020 Fred Gleason <fredg@paravelsystems.com>
+//   (C) Copyright 2002-2022 Fred Gleason <fredg@paravelsystems.com>
 //
 //   This program is free software; you can redistribute it and/or modify
 //   it under the terms of the GNU General Public License version 2 as
@@ -65,7 +65,7 @@ class RDCart
   QString schedCodes() const;
   void setSchedCodes(const QString &sched_codes) const;
   QStringList schedCodesList() const;
-  void setSchedCodesList(const QStringList &codes) const;
+  void setSchedCodesList(QStringList codes) const;
   void addSchedCode(const QString &code) const;
   void removeSchedCode(const QString &code) const;
   void updateSchedCodes(const QString &add_codes,