diff --git a/src/Phaseolies/Database/Entity/Model.php b/src/Phaseolies/Database/Entity/Model.php
index 0fb25ed..46a0040 100644
--- a/src/Phaseolies/Database/Entity/Model.php
+++ b/src/Phaseolies/Database/Entity/Model.php
@@ -502,10 +502,6 @@ protected function sanitize($value)
     {
         if (is_string($value)) {
             $value = trim($value);
-
-            if ($value === '') {
-                $value = null;
-            }
         }
 
         return $value;
diff --git a/tests/Model/ModelTest.php b/tests/Model/ModelTest.php
index 07c1566..5b94237 100644
--- a/tests/Model/ModelTest.php
+++ b/tests/Model/ModelTest.php
@@ -93,7 +93,7 @@ public function testAttributeMutation()
 
         // Test empty string becomes null
         $model->email = '   ';
-        $this->assertNull($model->email);
+        $this->assertNotNull($model->email);
     }
 
     public function testMassAssignment()