diff --git a/docs/en/cookbook/sql-table-prefixes.rst b/docs/en/cookbook/sql-table-prefixes.rst
index 6ca73c275..66a6aaa2d 100644
--- a/docs/en/cookbook/sql-table-prefixes.rst
+++ b/docs/en/cookbook/sql-table-prefixes.rst
@@ -39,7 +39,11 @@ appropriate autoloaders.
         public function loadClassMetadata(LoadClassMetadataEventArgs $eventArgs)
         {
             $classMetadata = $eventArgs->getClassMetadata();
-            $classMetadata->setTableName($this->prefix . $classMetadata->getTableName());
+
+            if (!$classMetadata->isInheritanceTypeSingleTable() || $classMetadata->getName() === $classMetadata->rootEntityName) {
+                $classMetadata->setTableName($this->prefix . $classMetadata->getTableName());
+            }
+
             foreach ($classMetadata->getAssociationMappings() as $fieldName => $mapping) {
                 if ($mapping['type'] == \Doctrine\ORM\Mapping\ClassMetadataInfo::MANY_TO_MANY) {
                     $mappedTableName = $classMetadata->associationMappings[$fieldName]['joinTable']['name'];