diff --git a/src/PhpWord/Reader/Word2007/AbstractPart.php b/src/PhpWord/Reader/Word2007/AbstractPart.php
index 48a84ff2..6cdf2b3a 100644
--- a/src/PhpWord/Reader/Word2007/AbstractPart.php
+++ b/src/PhpWord/Reader/Word2007/AbstractPart.php
@@ -588,6 +588,8 @@ abstract class AbstractPart
                     return $possibleAttribute;
                 }
             }
+
+            return null;
         }
 
         return $attributes;
diff --git a/src/PhpWord/Reader/Word2007/Settings.php b/src/PhpWord/Reader/Word2007/Settings.php
index 5cfe5453..dbf34623 100644
--- a/src/PhpWord/Reader/Word2007/Settings.php
+++ b/src/PhpWord/Reader/Word2007/Settings.php
@@ -109,7 +109,9 @@ class Settings extends AbstractPart
         $documentProtection = $phpWord->getSettings()->getDocumentProtection();
 
         $edit = $xmlReader->getAttribute('w:edit', $node);
-        $documentProtection->setEditing($edit);
+        if ($edit !== null) {
+            $documentProtection->setEditing($edit);
+        }
     }
 
     /**