diff --git a/ChangeLog b/ChangeLog
index 95968c7d..15954be9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -17316,3 +17316,5 @@
 	UTF-8 strings.
 2018-08-03 Fred Gleason <fredg@paravelsystems.com>
 	* Fixed a regression in 'RDAudioExport' that caused a segfault.
+2018-08-03 Fred Gleason <fredg@paravelsystems.com>
+	* Fixed a regression in 'RDCart' that threw a SQL error.
diff --git a/lib/rdcart.cpp b/lib/rdcart.cpp
index 104ad858..98ee8a68 100644
--- a/lib/rdcart.cpp
+++ b/lib/rdcart.cpp
@@ -1141,14 +1141,14 @@ void RDCart::updateLength(bool enforce_length,unsigned length)
   }
   else {
     sql+=QString("START_DATETIME=")+
-      RDCheckDateTime(start_datetime,"yyyy-MM-dd hh:mm:ss");
+      RDCheckDateTime(start_datetime,"yyyy-MM-dd hh:mm:ss")+",";
   }
   if(end_datetime.isNull()||(!dates_valid)) {
     sql+="END_DATETIME=NULL,";
   }
   else {
     sql+=QString("END_DATETIME=")+
-      RDCheckDateTime(end_datetime,"yyyy-MM-dd hh:mm:ss");
+      RDCheckDateTime(end_datetime,"yyyy-MM-dd hh:mm:ss")+",";
   }
   sql+=QString().sprintf("VALIDITY=%u where NUMBER=%u",
 			 cart_validity,cart_number);