diff --git a/src/opnsense/mvc/app/models/OPNsense/Diagnostics/Migrations/M1_0_0.php b/src/opnsense/mvc/app/models/OPNsense/Diagnostics/Migrations/M1_0_0.php
index e3e9a640b7..222775c9b6 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Diagnostics/Migrations/M1_0_0.php
+++ b/src/opnsense/mvc/app/models/OPNsense/Diagnostics/Migrations/M1_0_0.php
@@ -47,6 +47,10 @@ class M1_0_0 extends BaseModelMigration
 
     public function post($model)
     {
+        if (!$model instanceof SystemHealth) {
+            return;
+        }
+
         $config = Config::getInstance()->object();
         if (isset($config?->rrd)) {
             unset($config->rrd);