diff --git a/application/Building/Building.php b/application/Building/Building.php
index 2aeca7ac4..c4cadb2f3 100644
--- a/application/Building/Building.php
+++ b/application/Building/Building.php
@@ -68,7 +68,7 @@ class Building extends mfBaseModel {
     
     $unit_count = TerminationModel::count(["building_id" => $this->id]);
     if($this->units != $unit_count) {
-      $this->units = $unit_count;
+      $this->update(["units" => $unit_count]);
       $this->save();
     }