diff --git a/app/Models/Asset.php b/app/Models/Asset.php
index 68f12af20f..dbff25e8d8 100644
--- a/app/Models/Asset.php
+++ b/app/Models/Asset.php
@@ -1068,8 +1068,10 @@ class Asset extends Depreciable
 
     public function scopeDueOrOverdueForAudit($query, $settings)
     {
+        $interval = $settings->audit_warning_days ?? 0;
+    
         return $query->whereNotNull('assets.next_audit_date')
-            ->whereRaw("DATE_SUB(assets.next_audit_date, INTERVAL $settings->audit_warning_days DAY) <= '".Carbon::now()."'")
+            ->whereRaw("DATE_SUB(assets.next_audit_date, INTERVAL $interval DAY) <= '".Carbon::now()."'")
             ->where('assets.archived', '=', 0)
             ->NotArchived();
     }
diff --git a/routes/web/hardware.php b/routes/web/hardware.php
index 495b08086e..1eeed11ccf 100644
--- a/routes/web/hardware.php
+++ b/routes/web/hardware.php
@@ -31,12 +31,12 @@ Route::group(
 
         Route::get('audit/due', [
             'as' => 'assets.audit.due',
-            'uses' => 'AssetsController@dueForAudit'
+            'uses' => 'Assets\AssetsController@dueForAudit'
         ]);
 
         Route::get('audit/overdue', [
             'as' => 'assets.audit.overdue',
-            'uses' => 'AssetsController@overdueForAudit'
+            'uses' => 'Assets\AssetsController@overdueForAudit'
         ]);
 
         Route::get('audit/{id}', [