diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerBase.php b/src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerBase.php
index 3db266e40..f88145be5 100644
--- a/src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerBase.php
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerBase.php
@@ -187,9 +187,11 @@ class ControllerBase extends ControllerRoot
             $this->view->ui_theme = $cnf->object()->theme;
         }
 
-        $product_vars = json_decode(file_get_contents(__DIR__.'/../../../../../firmware-product'), true);
-        foreach ($product_vars as $product_key => $product_var) {
-            $this->view->$product_key = $product_var;
+        if (is_file(__DIR__.'/../../../../../firmware-product')) {
+            $product_vars = json_decode(file_get_contents(__DIR__.'/../../../../../firmware-product'), true);
+            foreach ($product_vars as $product_key => $product_var) {
+                $this->view->$product_key = $product_var;
+            }
         }
 
         // info about the current user and box