diff --git a/Resources/config/doctrine/Person.orm.yml b/Resources/config/doctrine/Person.orm.yml
index e566ddc7e..bdc066aae 100644
--- a/Resources/config/doctrine/Person.orm.yml
+++ b/Resources/config/doctrine/Person.orm.yml
@@ -32,12 +32,12 @@ Chill\PersonBundle\Entity\Person:
             type: text
             default: ''
         email:
-            type: text  
+            type: text
         proxyAccompanyingPeriodOpenState:
             type: boolean
             name: proxy_open
         cFData:
-            type: array
+            type: json_array
         phonenumber:
             type: text
             nullable: true
diff --git a/Resources/migrations/Version20160818113633.php b/Resources/migrations/Version20160818113633.php
new file mode 100644
index 000000000..eed0a3b14
--- /dev/null
+++ b/Resources/migrations/Version20160818113633.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * This migration store the cfdata using the postgresql jsonb type instead
+ * of the result of the sterialization
+ */
+class Version20160818113633 extends AbstractMigration
+{
+    /**
+     * Make a copy of the column cfdata into the column cfdata_old. Then
+     * remplace the sterialized data into a json data.
+     *
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        $personIdAndCFData = $this->connection->executeQuery('SELECT id, cfdata FROM person');
+
+        $this->addSQL('ALTER TABLE person RENAME COLUMN cfdata TO cfdata_old');
+        $this->addSQL('ALTER TABLE person ADD COLUMN cfdata jsonb');
+
+        foreach ($personIdAndCFData as $person) {
+            $personId = $person['id'];
+            $cFDataArray = unserialize($person['cfdata']);
+            $cFDataJson = json_encode($cFDataArray);
+            $this->addSql(
+                'UPDATE person set cfdata = :cfdatajson WHERE id = :id',
+                ['cfdatajson' => $cFDataJson, 'id' => $personId]
+            );
+        }
+    }
+
+    /**
+     * Inverse of up
+     *
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        $this->addSQL('ALTER TABLE person DROP COLUMN cfdata');
+        $this->addSQL('ALTER TABLE person RENAME COLUMN cfdata_old TO cfdata');
+    }
+}