diff --git a/README.md b/README.md
index af4ccc6..db732a5 100755
--- a/README.md
+++ b/README.md
@@ -65,6 +65,7 @@ Some things to do, and ideas for potential features:
 
 * [Fixed] Fixed a regression that would cause Twitter and Facebook images to not show up
 * [Improved] Added html_entity_decode() to the _cleanupText() method
+* [Fixed] Fixed an `Integrity constraint violation` MySQL error on certain MySQL versions
 * [Improved] Updated the README.md
 
 ### 1.1.34 -- 2016.09.05
diff --git a/models/Seomatic_SettingsModel.php b/models/Seomatic_SettingsModel.php
index 5416927..9f4597f 100755
--- a/models/Seomatic_SettingsModel.php
+++ b/models/Seomatic_SettingsModel.php
@@ -24,9 +24,9 @@ protected function defineAttributes()
             'siteSeoKeywords'                   => array(AttributeType::String, 'default' => 'default,global,comma-separated,keywords'),
             'siteTwitterCardType'               => array(AttributeType::String, 'default' => 'summary'),
             'siteOpenGraphType'                 => array(AttributeType::String, 'default' => 'website'),
-            'siteSeoImageId'                    => array(AttributeType::Number, 'default' => null),
-            'siteSeoTwitterImageId'               => array(AttributeType::Number, 'default' => null),
-            'siteSeoFacebookImageId'              => array(AttributeType::Number, 'default' => null),
+            'siteSeoImageId'                    => array(AttributeType::Number, 'default' => 0),
+            'siteSeoTwitterImageId'               => array(AttributeType::Number, 'default' => 0),
+            'siteSeoFacebookImageId'              => array(AttributeType::Number, 'default' => 0),
             'siteSeoImageTransform'             => array(AttributeType::String, 'default' => ''),
             'siteSeoFacebookImageTransform'     => array(AttributeType::String, 'default' => ''),
             'siteSeoTwitterImageTransform'      => array(AttributeType::String, 'default' => ''),
diff --git a/releases.json b/releases.json
index da58c8e..574e7e6 100644
--- a/releases.json
+++ b/releases.json
@@ -6,6 +6,7 @@
         "notes": [
             "[Fixed] SEOmetrics will now work if `open_basedir` is set",
             "[Improved] Added html_entity_decode() to the _cleanupText() method",
+            "[Fixed] Fixed an `Integrity constraint violation` MySQL error on certain MySQL versions",
             "[Improved] Updated the README.md"
         ]
     },