diff --git a/app/Models/Benefit.php b/app/Models/Benefit.php
index d18ecf30..4cdaebf8 100644
--- a/app/Models/Benefit.php
+++ b/app/Models/Benefit.php
@@ -132,6 +132,11 @@ class Benefit extends Model
         "Show Benefit Value" => 'show_benefit_value',
     ];
 
+    public function setAreaLimitAttribute($value)
+    {
+        $this->attributes['area_limit'] = $value ? $value : null;
+    }
+
     public function setPrePostTreatmentAttribute($value)
     {
         $this->attributes['pre_post_treatment'] = empty($value) ? null : ($value == 'Y');