diff --git a/AuditLogPlugin.php b/AuditLogPlugin.php
index e93a067..0ece6cd 100644
--- a/AuditLogPlugin.php
+++ b/AuditLogPlugin.php
@@ -32,7 +32,7 @@ public function getName()
      */
     public function getVersion()
     {
-        return '0.7.0';
+        return '0.7.1';
     }
 
     /**
diff --git a/README.md b/README.md
index 7668690..ad442d7 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,9 @@ phpunit --bootstrap craft/app/tests/bootstrap.php --configuration craft/plugins/
 
 Changelog
 =================
+###0.7.1###
+ - Fix comparing of non-existing attribute before, closing issue #15
+
 ###0.7.0###
  - Added Craft 2.5 compatibility
  - Refactored plugin for better readability, quality and testability
diff --git a/composer.json b/composer.json
index 897e453..cb0fb5f 100644
--- a/composer.json
+++ b/composer.json
@@ -7,6 +7,7 @@
             "email": "b.oldehampsink@itmundi.nl"
         }
     ],
+    "license": "MIT",
     "type": "craft-plugin",
     "require": {
         "composer/installers": "~1.0"
diff --git a/services/AuditLogService.php b/services/AuditLogService.php
index 278dc66..771344f 100644
--- a/services/AuditLogService.php
+++ b/services/AuditLogService.php
@@ -54,9 +54,9 @@ public function view($id)
             // Set parsed values
             $diff[$handle] = array(
                 'label' => $item['label'],
-                'changed' => ($item['value'] != $log['before'][$handle]['value']),
+                'changed' => !isset($log['before'][$handle]) || ($item['value'] != $log['before'][$handle]['value']),
                 'after' => $item['value'],
-                'before' => $log['before'][$handle]['value'],
+                'before' => isset($log['before'][$handle]) ? $log['before'][$handle]['value'] : '',
             );
         }
 
@@ -162,7 +162,7 @@ public function elementHasChanged($elementType, $id, $before, $after)
         // Add labels once again
         $diff = array();
         foreach ($expanded as $key => $value) {
-            $diff[$key]['label'] = $before[$key]['label'];
+            $diff[$key]['label'] = isset($before[$key]) ? $before[$key]['label'] : '';
             $diff[$key]['value'] = $value['value'];
         }