diff --git a/src/Rule/CssTextStyleEmphasize.php b/src/Rule/CssTextStyleEmphasize.php
index faf7416..250a269 100644
--- a/src/Rule/CssTextStyleEmphasize.php
+++ b/src/Rule/CssTextStyleEmphasize.php
@@ -308,9 +308,11 @@ public function check()
 	 * @param object $element A DOMElement object
 	 */
 	function isHeading($element) {
-		if ($element->tagName === 'h1' || $element->tagName === 'h2' || $element->tagName === 'h3' 
-		|| $element->tagName === 'h4' || $element->tagName === 'h5' || $element->tagName === 'h6') {
-			return true;
+		if (property_exists($element, 'tagName')) {
+			if ($element->tagName === 'h1' || $element->tagName === 'h2' || $element->tagName === 'h3' 
+			|| $element->tagName === 'h4' || $element->tagName === 'h5' || $element->tagName === 'h6') {
+				return true;
+			}
 		}
 
 		return false;
diff --git a/src/Rule/ObjectMustContainText.php b/src/Rule/ObjectMustContainText.php
index 43f9db8..7b23fb5 100644
--- a/src/Rule/ObjectMustContainText.php
+++ b/src/Rule/ObjectMustContainText.php
@@ -18,16 +18,23 @@ public function id()
         return self::class;
     }
 
-    public function check()
-    {
-        foreach ($this->getAllElements('object') as $object) {
-			if ((!$object->nodeValue || trim($object->nodeValue) == '') && (!$object->hasAttribute('alt') || trim($object->getAttribute('alt')) == '')) 
-            {
-				$this->setIssue($object);
-            }
-		}
-        
-        return count($this->issues);
-    }
+    /**
+    *  All objects contain a text equivalent of the object.
+    *  object element must contain a text equivalent for the object in case the object can't be rendered.
+    *	@link http://quail-lib.org/test-info/objectMustContainText
+    */
+	function check()
+	{
+		foreach ($this->getAllElements('object') as $object) {
+			if ((!$object->nodeValue || trim($object->nodeValue) == '')
+				&& !($object->hasAttribute('aria-label') && strlen($object->getAttribute('aria-label')) > 0)
+				&& !($object->hasAttribute('aria-labelledby') && strlen($object->getAttribute('aria-labelledby')) > 0)
+                && (!$object->hasAttribute('alt') || trim($object->getAttribute('alt')) == '')){
+					$this->setIssue($object);
+			}
+
+            return count($this->issues);
+		}   
+	}
 
 }
\ No newline at end of file
diff --git a/tests/ObjectMustContainTextTest.php b/tests/ObjectMustContainTextTest.php
index 29aeebe..d6017e4 100644
--- a/tests/ObjectMustContainTextTest.php
+++ b/tests/ObjectMustContainTextTest.php
@@ -32,4 +32,24 @@ public function testCheckFalse()
 
         $this->assertEquals(1, $rule->check(), 'Object Must Contain Text should have one issue.');
     }
+
+    public function testCheckAriaLabel()
+    {
+        $html = '<div><object aria-label="label" type="application/pdf"data="/media/examples/In-CC0.pdf"width="250"height="200"></object></div>';;
+        $dom = new \DOMDocument('1.0', 'utf-8');
+        $dom->loadHTML($html);
+        $rule = new ObjectMustContainText($dom);
+
+        $this->assertEquals(0, $rule->check(), 'Object Must Contain Text should have no issues');
+    }
+
+    public function testCheckAriaLabeledBy()
+    {
+        $html = '<div><object aria-labelledby="label" type="application/pdf"data="/media/examples/In-CC0.pdf"width="250"height="200"></object></div>';;
+        $dom = new \DOMDocument('1.0', 'utf-8');
+        $dom->loadHTML($html);
+        $rule = new ObjectMustContainText($dom);
+
+        $this->assertEquals(0, $rule->check(), 'Object Must Contain Text should have no issues');
+    }
 }
\ No newline at end of file