diff --git a/components/com_contact/views/category/view.html.php b/components/com_contact/views/category/view.html.php
index c669e4f40647f..8a37c1ec282bd 100644
--- a/components/com_contact/views/category/view.html.php
+++ b/components/com_contact/views/category/view.html.php
@@ -95,12 +95,14 @@ protected function prepareDocument()
 		$menu = $this->menu;
 		$id = (int) @$menu->query['id'];
 
-		if ($menu && ($menu->query['option'] != $this->extension || $menu->query['view'] == $this->viewName || $id != $this->category->id))
+		if ($menu && (!isset($menu->query['option']) || $menu->query['option'] != $this->extension || $menu->query['view'] == $this->viewName
+			|| $id != $this->category->id))
 		{
 			$path = array(array('title' => $this->category->title, 'link' => ''));
 			$category = $this->category->getParent();
 
-			while (($menu->query['option'] !== 'com_contact' || $menu->query['view'] === 'contact' || $id != $category->id) && $category->id > 1)
+			while ((!isset($menu->query['option']) || $menu->query['option'] !== 'com_contact' || $menu->query['view'] === 'contact'
+				|| $id != $category->id) && $category->id > 1)
 			{
 				$path[] = array('title' => $category->title, 'link' => ContactHelperRoute::getCategoryRoute($category->id));
 				$category = $category->getParent();
diff --git a/components/com_contact/views/contact/view.html.php b/components/com_contact/views/contact/view.html.php
index 6171a08cf9f25..048e84637ca0d 100644
--- a/components/com_contact/views/contact/view.html.php
+++ b/components/com_contact/views/contact/view.html.php
@@ -415,7 +415,8 @@ protected function _prepareDocument()
 		$id = (int) @$menu->query['id'];
 
 		// If the menu item does not concern this contact
-		if ($menu && ($menu->query['option'] !== 'com_contact' || $menu->query['view'] !== 'contact' || $id != $this->item->id))
+		if ($menu && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_contact' || $menu->query['view'] !== 'contact'
+			|| $id != $this->item->id))
 		{
 			// If this is not a single contact menu item, set the page title to the contact title
 			if ($this->item->name)
@@ -426,7 +427,8 @@ protected function _prepareDocument()
 			$path = array(array('title' => $this->contact->name, 'link' => ''));
 			$category = JCategories::getInstance('Contact')->get($this->contact->catid);
 
-			while ($category && ($menu->query['option'] !== 'com_contact' || $menu->query['view'] === 'contact' || $id != $category->id) && $category->id > 1)
+			while ($category && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_contact' || $menu->query['view'] === 'contact'
+				|| $id != $category->id) && $category->id > 1)
 			{
 				$path[] = array('title' => $category->title, 'link' => ContactHelperRoute::getCategoryRoute($this->contact->catid));
 				$category = $category->getParent();
diff --git a/components/com_content/views/article/view.html.php b/components/com_content/views/article/view.html.php
index e8c259633ec26..c56407f928895 100644
--- a/components/com_content/views/article/view.html.php
+++ b/components/com_content/views/article/view.html.php
@@ -242,7 +242,8 @@ protected function _prepareDocument()
 		$id = (int) @$menu->query['id'];
 
 		// If the menu item does not concern this article
-		if ($menu && ($menu->query['option'] !== 'com_content' || $menu->query['view'] !== 'article' || $id != $this->item->id))
+		if ($menu && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_content' || $menu->query['view'] !== 'article'
+			|| $id != $this->item->id))
 		{
 			// If a browser page title is defined, use that, then fall back to the article title if set, then fall back to the page_title option
 			$title = $this->item->params->get('article_page_title', $this->item->title ?: $title);
@@ -250,7 +251,8 @@ protected function _prepareDocument()
 			$path     = array(array('title' => $this->item->title, 'link' => ''));
 			$category = JCategories::getInstance('Content')->get($this->item->catid);
 
-			while ($category && ($menu->query['option'] !== 'com_content' || $menu->query['view'] === 'article' || $id != $category->id) && $category->id > 1)
+			while ($category && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_content' || $menu->query['view'] === 'article'
+				|| $id != $category->id) && $category->id > 1)
 			{
 				$path[]   = array('title' => $category->title, 'link' => ContentHelperRoute::getCategoryRoute($category->id));
 				$category = $category->getParent();
diff --git a/components/com_content/views/category/view.html.php b/components/com_content/views/category/view.html.php
index ee7a4466f2f0b..949cd5b72b845 100644
--- a/components/com_content/views/category/view.html.php
+++ b/components/com_content/views/category/view.html.php
@@ -261,12 +261,14 @@ protected function prepareDocument()
 		$menu = $this->menu;
 		$id = (int) @$menu->query['id'];
 
-		if ($menu && ($menu->query['option'] !== 'com_content' || $menu->query['view'] === 'article' || $id != $this->category->id))
+		if ($menu && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_content' || $menu->query['view'] === 'article'
+			|| $id != $this->category->id))
 		{
 			$path = array(array('title' => $this->category->title, 'link' => ''));
 			$category = $this->category->getParent();
 
-			while (($menu->query['option'] !== 'com_content' || $menu->query['view'] === 'article' || $id != $category->id) && $category->id > 1)
+			while ((!isset($menu->query['option']) || $menu->query['option'] !== 'com_content' || $menu->query['view'] === 'article'
+				|| $id != $category->id) && $category->id > 1)
 			{
 				$path[] = array('title' => $category->title, 'link' => ContentHelperRoute::getCategoryRoute($category->id));
 				$category = $category->getParent();
diff --git a/components/com_newsfeeds/views/category/view.html.php b/components/com_newsfeeds/views/category/view.html.php
index d657c8de51b8f..5dc6c3c8e8e46 100644
--- a/components/com_newsfeeds/views/category/view.html.php
+++ b/components/com_newsfeeds/views/category/view.html.php
@@ -75,12 +75,14 @@ protected function prepareDocument()
 		$menu = $this->menu;
 		$id = (int) @$menu->query['id'];
 
-		if ($menu && ($menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] === 'newsfeed' || $id != $this->category->id))
+		if ($menu && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] === 'newsfeed'
+			|| $id != $this->category->id))
 		{
 			$path = array(array('title' => $this->category->title, 'link' => ''));
 			$category = $this->category->getParent();
 
-			while (($menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] === 'newsfeed' || $id != $category->id) && $category->id > 1)
+			while ((!isset($menu->query['option']) || $menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] === 'newsfeed'
+				|| $id != $category->id) && $category->id > 1)
 			{
 				$path[] = array('title' => $category->title, 'link' => NewsfeedsHelperRoute::getCategoryRoute($category->id));
 				$category = $category->getParent();
diff --git a/components/com_newsfeeds/views/newsfeed/view.html.php b/components/com_newsfeeds/views/newsfeed/view.html.php
index 0f2921b6eb868..29247218c4ff1 100644
--- a/components/com_newsfeeds/views/newsfeed/view.html.php
+++ b/components/com_newsfeeds/views/newsfeed/view.html.php
@@ -241,7 +241,8 @@ protected function _prepareDocument()
 		$id = (int) @$menu->query['id'];
 
 		// If the menu item does not concern this newsfeed
-		if ($menu && ($menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] !== 'newsfeed' || $id != $this->item->id))
+		if ($menu && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] !== 'newsfeed'
+			|| $id != $this->item->id))
 		{
 			// If this is not a single newsfeed menu item, set the page title to the newsfeed title
 			if ($this->item->name)
@@ -252,7 +253,8 @@ protected function _prepareDocument()
 			$path = array(array('title' => $this->item->name, 'link' => ''));
 			$category = JCategories::getInstance('Newsfeeds')->get($this->item->catid);
 
-			while (($menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] === 'newsfeed' || $id != $category->id) && $category->id > 1)
+			while ((!isset($menu->query['option']) || $menu->query['option'] !== 'com_newsfeeds' || $menu->query['view'] === 'newsfeed'
+				|| $id != $category->id) && $category->id > 1)
 			{
 				$path[] = array('title' => $category->title, 'link' => NewsfeedsHelperRoute::getCategoryRoute($category->id));
 				$category = $category->getParent();
diff --git a/components/com_tags/views/tag/view.html.php b/components/com_tags/views/tag/view.html.php
index 6ec14ba242290..1dd59b5334cd4 100644
--- a/components/com_tags/views/tag/view.html.php
+++ b/components/com_tags/views/tag/view.html.php
@@ -259,7 +259,7 @@ protected function _prepareDocument()
 		$app              = JFactory::getApplication();
 		$menu             = $app->getMenu()->getActive();
 		$this->tags_title = $this->getTagsTitle();
-		$pathway	  = $app->getPathway();
+		$pathway          = $app->getPathway();
 		$title            = '';
 
 		// Highest priority for "Browser Page Title".
@@ -278,7 +278,7 @@ protected function _prepareDocument()
 			$this->params->def('page_heading', $this->params->get('page_title', $menu->title));
 			$title = $title ?: $this->params->get('page_title', $menu->title);
 
-			if ($menu->query['option'] !== 'com_tags')
+			if (!isset($menu->query['option']) || $menu->query['option'] !== 'com_tags')
 			{
 				$this->params->set('page_subheading', $menu->title);
 			}
diff --git a/components/com_tags/views/tags/view.html.php b/components/com_tags/views/tags/view.html.php
index 92165d4365dfe..d967cd6a2198a 100644
--- a/components/com_tags/views/tags/view.html.php
+++ b/components/com_tags/views/tags/view.html.php
@@ -81,7 +81,7 @@ public function display($tpl = null)
 		$active = JFactory::getApplication()->getMenu()->getActive();
 
 		// Load layout from active query (in case it is an alternative menu item)
-		if ($active && $active->query['option'] === 'com_tags' && $active->query['view'] === 'tags')
+		if ($active && isset($active->query['option']) && $active->query['option'] === 'com_tags' && $active->query['view'] === 'tags')
 		{
 			if (isset($active->query['layout']))
 			{
@@ -126,7 +126,7 @@ protected function _prepareDocument()
 			$this->params->def('page_heading', JText::_('COM_TAGS_DEFAULT_PAGE_TITLE'));
 		}
 
-		if ($menu && $menu->query['option'] !== 'com_tags')
+		if ($menu && (!isset($menu->query['option']) || $menu->query['option'] !== 'com_tags'))
 		{
 			$this->params->set('page_subheading', $menu->title);
 		}