diff --git a/library/HTMLPurifier/HTMLModule/CommonAttributes.php b/library/HTMLPurifier/HTMLModule/CommonAttributes.php
index a96ab1be..7220c14c 100644
--- a/library/HTMLPurifier/HTMLModule/CommonAttributes.php
+++ b/library/HTMLPurifier/HTMLModule/CommonAttributes.php
@@ -17,6 +17,7 @@ class HTMLPurifier_HTMLModule_CommonAttributes extends HTMLPurifier_HTMLModule
             'class' => 'Class',
             'id' => 'ID',
             'title' => 'CDATA',
+            'contenteditable' => 'ContentEditable',
         ),
         'Lang' => array(),
         'I18N' => array(
diff --git a/tests/HTMLPurifier/Strategy/ValidateAttributesTest.php b/tests/HTMLPurifier/Strategy/ValidateAttributesTest.php
index a2125522..f8ebc4c7 100644
--- a/tests/HTMLPurifier/Strategy/ValidateAttributesTest.php
+++ b/tests/HTMLPurifier/Strategy/ValidateAttributesTest.php
@@ -258,6 +258,13 @@ class HTMLPurifier_Strategy_ValidateAttributesTest extends
         );
     }
 
+    public function testContentEditableAttribute()
+    {
+        $this->assertResult(
+            '<div contenteditable="false"></div>',
+            '<div contenteditable="false"></div>'
+        );
+    }
 }
 
 // vim: et sw=4 sts=4