diff --git a/app/Http/Controllers/Assets/AssetsController.php b/app/Http/Controllers/Assets/AssetsController.php
index 13201c51ec..65b64ef0da 100755
--- a/app/Http/Controllers/Assets/AssetsController.php
+++ b/app/Http/Controllers/Assets/AssetsController.php
@@ -363,7 +363,7 @@ class AssetsController extends Controller
         $asset->purchase_cost = $request->input('purchase_cost', null);
         $asset->purchase_date = $request->input('purchase_date', null);
         $asset->next_audit_date = $request->input('next_audit_date', null);
-        if ($request->filled('purchase_date') && !$request->filled('asset_eol_date') && ($asset->model->eol > 0)) {
+        if ($request->filled('purchase_date') && !$request->filled('asset_eol_date') && ($asset->model?->eol > 0)) {
             $asset->purchase_date = $request->input('purchase_date', null); 
             $asset->asset_eol_date = Carbon::parse($request->input('purchase_date'))->addMonths($asset->model->eol)->format('Y-m-d');
             $asset->eol_explicit = false;
@@ -379,7 +379,7 @@ class AssetsController extends Controller
            } else {
                $asset->eol_explicit = true;
            }
-        } elseif (!$request->filled('asset_eol_date') && (($asset->model->eol) == 0)) {
+        } elseif (!$request->filled('asset_eol_date') && (($asset->model?->eol) == 0)) {
            $asset->asset_eol_date = null;
 		   $asset->eol_explicit = false;
         }
diff --git a/app/Observers/AssetObserver.php b/app/Observers/AssetObserver.php
index 6c07a355ff..adb9292dc1 100644
--- a/app/Observers/AssetObserver.php
+++ b/app/Observers/AssetObserver.php
@@ -168,14 +168,14 @@ class AssetObserver
     public function saving(Asset $asset)
     {
         // determine if calculated eol and then calculate it - this should only happen on a new asset
-        if (is_null($asset->asset_eol_date) && !is_null($asset->purchase_date) && ($asset->model->eol > 0)){
+        if (is_null($asset->asset_eol_date) && !is_null($asset->purchase_date) && ($asset->model?->eol > 0)) {
             $asset->asset_eol_date = $asset->purchase_date->addMonths($asset->model->eol)->format('Y-m-d');
             $asset->eol_explicit = false; 
         } 
 
        // determine if explicit and set eol_explicit to true
        if (!is_null($asset->asset_eol_date) && !is_null($asset->purchase_date)) {
-            if($asset->model->eol > 0) {
+           if ($asset->model?->eol > 0) {
                 $months = (int) Carbon::parse($asset->asset_eol_date)->diffInMonths($asset->purchase_date, true);
                 if($months != $asset->model->eol) {
                     $asset->eol_explicit = true;
@@ -184,9 +184,9 @@ class AssetObserver
        } elseif (!is_null($asset->asset_eol_date) && is_null($asset->purchase_date)) {
            $asset->eol_explicit = true;
        }
-       if ((!is_null($asset->asset_eol_date)) && (!is_null($asset->purchase_date)) && (is_null($asset->model->eol) || ($asset->model->eol == 0))) {
+
+        if ((!is_null($asset->asset_eol_date)) && (!is_null($asset->purchase_date)) && (is_null($asset->model?->eol) || ($asset->model?->eol == 0))) {
            $asset->eol_explicit = true;
        }
-
     }
 }