diff --git a/dblayeroo.php b/dblayeroo.php
index 33b9089..432069c 100644
--- a/dblayeroo.php
+++ b/dblayeroo.php
@@ -1551,7 +1551,12 @@ class dblayeroo
       $this->DBException (
         "Invalid aliasNames provided (not string and not array)");
     if (is_string ($columnNames))
+    {
+      // Remove the GROUP_CONCAT(col,',') as ',' is the default and the comma
+      // will be counted in error
+      $columnNames = str_replace (",','", "", $columnNames);
       $columnNames = explode (",", $columnNames);
+    }
     if (is_string ($aliasNames))
       $aliasNames = explode (",", $aliasNames);
     if (count ($aliasNames) && count ($aliasNames) !== count ($columnNames))