diff --git a/administrator/components/com_banners/tables/banner.php b/administrator/components/com_banners/tables/banner.php
index 75576947f46f1..eadd70c12f4b7 100644
--- a/administrator/components/com_banners/tables/banner.php
+++ b/administrator/components/com_banners/tables/banner.php
@@ -173,6 +173,8 @@ public function bind($array, $ignore = array())
 	 */
 	public function store($updateNulls = false)
 	{
+		$db = $this->getDbo();
+
 		if (empty($this->id))
 		{
 			$purchaseType = $this->purchase_type;
@@ -180,7 +182,7 @@ public function store($updateNulls = false)
 			if ($purchaseType < 0 && $this->cid)
 			{
 				/** @var BannersTableClient $client */
-				$client = JTable::getInstance('Client', 'BannersTable');
+				$client = JTable::getInstance('Client', 'BannersTable', array('dbo' => $db));
 				$client->load($this->cid);
 				$purchaseType = $client->purchase_type;
 			}
@@ -220,7 +222,7 @@ public function store($updateNulls = false)
 		{
 			// Get the old row
 			/** @var BannersTableBanner $oldrow */
-			$oldrow = JTable::getInstance('Banner', 'BannersTable');
+			$oldrow = JTable::getInstance('Banner', 'BannersTable', array('dbo' => $db));
 
 			if (!$oldrow->load($this->id) && $oldrow->getError())
 			{
@@ -229,7 +231,7 @@ public function store($updateNulls = false)
 
 			// Verify that the alias is unique
 			/** @var BannersTableBanner $table */
-			$table = JTable::getInstance('Banner', 'BannersTable');
+			$table = JTable::getInstance('Banner', 'BannersTable', array('dbo' => $db));
 
 			if ($table->load(array('alias' => $this->alias, 'catid' => $this->catid)) && ($table->id != $this->id || $this->id == 0))
 			{
diff --git a/administrator/components/com_contact/tables/contact.php b/administrator/components/com_contact/tables/contact.php
index cc137a712b4a5..6b837e791f510 100644
--- a/administrator/components/com_contact/tables/contact.php
+++ b/administrator/components/com_contact/tables/contact.php
@@ -110,7 +110,7 @@ public function store($updateNulls = false)
 		$this->webpage = JStringPunycode::urlToPunycode($this->webpage);
 
 		// Verify that the alias is unique
-		$table = JTable::getInstance('Contact', 'ContactTable');
+		$table = JTable::getInstance('Contact', 'ContactTable', array('dbo' => $this->_db));
 
 		if ($table->load(array('alias' => $this->alias, 'catid' => $this->catid)) && ($table->id != $this->id || $this->id == 0))
 		{
diff --git a/administrator/components/com_finder/tables/filter.php b/administrator/components/com_finder/tables/filter.php
index 524ce6c6c20bf..c9bd00bbe63cc 100644
--- a/administrator/components/com_finder/tables/filter.php
+++ b/administrator/components/com_finder/tables/filter.php
@@ -240,7 +240,7 @@ public function store($updateNulls = false)
 		}
 
 		// Verify that the alias is unique
-		$table = JTable::getInstance('Filter', 'FinderTable');
+		$table = JTable::getInstance('Filter', 'FinderTable', array('dbo' => $this->_db));
 
 		if ($table->load(array('alias' => $this->alias)) && ($table->filter_id != $this->filter_id || $this->filter_id == 0))
 		{
diff --git a/administrator/components/com_newsfeeds/tables/newsfeed.php b/administrator/components/com_newsfeeds/tables/newsfeed.php
index f192137906b30..5a0085c0c3fad 100644
--- a/administrator/components/com_newsfeeds/tables/newsfeed.php
+++ b/administrator/components/com_newsfeeds/tables/newsfeed.php
@@ -149,7 +149,7 @@ public function store($updateNulls = false)
 		}
 
 		// Verify that the alias is unique
-		$table = JTable::getInstance('Newsfeed', 'NewsfeedsTable');
+		$table = JTable::getInstance('Newsfeed', 'NewsfeedsTable', array('dbo' => $this->_db));
 
 		if ($table->load(array('alias' => $this->alias, 'catid' => $this->catid)) && ($table->id != $this->id || $this->id == 0))
 		{
diff --git a/administrator/components/com_users/tables/note.php b/administrator/components/com_users/tables/note.php
index a608c562c5a03..e8a644d4a2563 100644
--- a/administrator/components/com_users/tables/note.php
+++ b/administrator/components/com_users/tables/note.php
@@ -52,7 +52,7 @@ public function store($updateNulls = false)
 		if (!((int) $this->review_time))
 		{
 			// Null date.
-			$this->review_time = JFactory::getDbo()->getNullDate();
+			$this->review_time = $this->_db->getNullDate();
 		}
 
 		if (empty($this->id))
diff --git a/libraries/src/Table/Content.php b/libraries/src/Table/Content.php
index 31b6a3dd25dfc..f600549c2579b 100644
--- a/libraries/src/Table/Content.php
+++ b/libraries/src/Table/Content.php
@@ -294,7 +294,7 @@ public function check()
 	protected function getDefaultAssetValues($component)
 	{
 		// Need to find the asset id by the name of the component.
-		$db = \JFactory::getDbo();
+		$db = $this->getDbo();
 		$query = $db->getQuery(true)
 			->select($db->quoteName('id'))
 			->from($db->quoteName('#__assets'))
diff --git a/libraries/src/Table/Menu.php b/libraries/src/Table/Menu.php
index 45c434f797c8d..d85c6922f18cd 100644
--- a/libraries/src/Table/Menu.php
+++ b/libraries/src/Table/Menu.php
@@ -144,10 +144,10 @@ public function check()
 	 */
 	public function store($updateNulls = false)
 	{
-		$db = \JFactory::getDbo();
+		$db = $this->getDbo();
 
 		// Verify that the alias is unique
-		$table = Table::getInstance('Menu', 'JTable', array('dbo' => $this->getDbo()));
+		$table = Table::getInstance('Menu', 'JTable', array('dbo' => $db));
 
 		$originalAlias = trim($this->alias);
 		$this->alias   = !$originalAlias ? $this->title : $originalAlias;
@@ -227,7 +227,7 @@ public function store($updateNulls = false)
 			// The alias already exists. Enqueue an error message.
 			if ($error)
 			{
-				$menuTypeTable = Table::getInstance('MenuType', 'JTable', array('dbo' => $this->getDbo()));
+				$menuTypeTable = Table::getInstance('MenuType', 'JTable', array('dbo' => $db));
 				$menuTypeTable->load(array('menutype' => $table->menutype));
 				$this->setError(\JText::sprintf('JLIB_DATABASE_ERROR_MENU_UNIQUE_ALIAS', $this->alias, $table->title, $menuTypeTable->title));