diff --git a/ChangeLog b/ChangeLog
index 7c316e21..24f810b1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21597,3 +21597,10 @@
 	'web/webget/'.
 2021-04-26 Fred Gleason <fredg@paravelsystems.com>
 	* Fixed security warnings when build under Debian.
+2021-04-26 Fred Gleason <fredg@paravelsystems.com>
+	* Fixed typo in 'lib/export_radiotraffic.cpp' that caused SQL
+	errors.
+	* Fixed typo in 'lib/rdlog_line.cpp' that caused SQL
+	errors.
+	* Fixed typo in 'lib/rdlogmodel.cpp' that caused SQL
+	errors.
diff --git a/lib/export_radiotraffic.cpp b/lib/export_radiotraffic.cpp
index f5d9b48f..161360c4 100644
--- a/lib/export_radiotraffic.cpp
+++ b/lib/export_radiotraffic.cpp
@@ -63,7 +63,7 @@ bool RDReport::ExportRadioTraffic(const QString &filename,
     air_fmt=QString().sprintf("%%%-uu ",cartDigits());
   }
   sql=QString("select ")+
-    "`ELR_LINES`.`LENGTH,"+          // 00
+    "`ELR_LINES`.`LENGTH`,"+          // 00
     "`ELR_LINES`.`CART_NUMBER`,"+     // 01
     "`ELR_LINES`.`EVENT_DATETIME`,"+  // 02
     "`ELR_LINES`.`EVENT_TYPE`,"+      // 03
diff --git a/lib/rdlog_line.cpp b/lib/rdlog_line.cpp
index 90242150..9c5ac5b9 100644
--- a/lib/rdlog_line.cpp
+++ b/lib/rdlog_line.cpp
@@ -1831,7 +1831,7 @@ RDLogLine::State RDLogLine::setEvent(int mach,RDLogLine::TransType next_type,
     }
     log_cut_number=log_cut_name.right(3).toInt();
     sql=QString("select ")+
-      "`LENGTH,"+                // 00
+      "`LENGTH`,"+                // 00
       "`START_POINT`,"+           // 01
       "`END_POINT`,"+             // 02
       "`SEGUE_START_POINT`,"+     // 03
diff --git a/lib/rdlogmodel.cpp b/lib/rdlogmodel.cpp
index dea05c33..3ca46e1d 100644
--- a/lib/rdlogmodel.cpp
+++ b/lib/rdlogmodel.cpp
@@ -359,9 +359,9 @@ int RDLogModel::validate(QString *report,const QDate &date)
 	    sql=QString("select `CUT_NAME` from `CUTS` where ")+
 	      QString().sprintf("(`CART_NUMBER`=%u)&&",logLine(i)->cartNumber())+
 	      "((`START_DATETIME` is null)||"+
-	      "(`START_DATETIME`<=\""+date.toString("yyyy-MM-dd")+" 23:59:59\"))&&"+
+	      "(`START_DATETIME`<='"+date.toString("yyyy-MM-dd")+" 23:59:59'))&&"+
 	      "((`END_DATETIME` is null)||"+
-	      "(`END_DATETIME`>=\""+date.toString("yyyy-MM-dd")+" 00:00:00\"))&&"+
+	      "(`END_DATETIME`>='"+date.toString("yyyy-MM-dd")+" 00:00:00'))&&"+
 	      "("+RDDowCode(date.dayOfWeek())+"='Y')&&(LENGTH>0)";
 	  }
 	  else {
@@ -383,7 +383,7 @@ int RDLogModel::validate(QString *report,const QDate &date)
 	      "((`END_DAYPART` is null)||"+
 	      "(`END_DAYPART`>='"+logLine(i)->startTime(RDLogLine::Logged).
 	      toString("hh:mm:ss")+"'))&&"+
-	      "("+RDDowCode(date.dayOfWeek())+"=\"Y\")&&(LENGTH>0)";
+	      "("+RDDowCode(date.dayOfWeek())+"='Y')&&(LENGTH>0)";
 	  }
 	  q1=new RDSqlQuery(sql);
 	  if(!q1->first()) {
@@ -1056,7 +1056,7 @@ int RDLogModel::LoadLines(const QString &logname,int id_offset,bool track_ptrs)
     "`CART`.`LAST_CUT_PLAYED`,"+         // 23
     "`CART`.`PLAY_ORDER`,"+              // 24
     "`CART`.`ENFORCE_LENGTH`,"+          // 25
-    "`CART`.`PRESERVE_PITCH `,"+         // 26
+    "`CART`.`PRESERVE_PITCH`,"+         // 26
     "`LOG_LINES`.`TYPE`,"+               // 27
     "`LOG_LINES`.`COMMENT`,"+            // 28
     "`LOG_LINES`.`LABEL`,"+              // 29
@@ -1093,13 +1093,13 @@ int RDLogModel::LoadLines(const QString &logname,int id_offset,bool track_ptrs)
     "`CART`.`START_DATETIME`,"+          // 60
     "`CART`.`END_DATETIME`,"+            // 61
     "`LOG_LINES`.`EVENT_LENGTH`,"+       // 62
-    "`CART`.`USE_EVENT_LENGTH',"+        // 63
+    "`CART`.`USE_EVENT_LENGTH`,"+        // 63
     "`CART`.`NOTES` "+                   // 64
     "from `LOG_LINES` left join `CART` "+
     "on `LOG_LINES`.`CART_NUMBER`=`CART`.`NUMBER` where "+
-    "`LOG_LINES`.`LOG_NAME`=\""+RDEscapeString(logname)+"\" "+
+    "`LOG_LINES`.`LOG_NAME`='"+RDEscapeString(logname)+"' "+
     "order by `COUNT`";
-   q=new RDSqlQuery(sql);
+  q=new RDSqlQuery(sql);
   if(q->size()<=0) {
     delete q;
     return 0;