diff --git a/app/Models/Asset.php b/app/Models/Asset.php
index ac373b2ad4..3466cbffe7 100644
--- a/app/Models/Asset.php
+++ b/app/Models/Asset.php
@@ -111,7 +111,7 @@ class Asset extends Depreciable
         'asset_tag'       => 'required|min:1|max:255|unique_undeleted',
         'status'          => 'integer',
         'serial'          => 'unique_serial|nullable',
-        'purchase_cost'   => 'numeric|nullable',
+        'purchase_cost'   => 'numeric|nullable|gte:0',
         'next_audit_date' => 'date|nullable',
         'last_audit_date' => 'date|nullable',
         'supplier_id'     => 'exists:suppliers,id|nullable',
diff --git a/resources/lang/en/validation.php b/resources/lang/en/validation.php
index 72b465f211..5f097b717c 100644
--- a/resources/lang/en/validation.php
+++ b/resources/lang/en/validation.php
@@ -91,6 +91,10 @@ return [
     'url'                  => 'The :attribute format is invalid.',
     'unique_undeleted'     => 'The :attribute must be unique.',
     'non_circular'         => 'The :attribute must not create a circular reference.',
+    'gte'                  => [
+        'numeric'          => 'Value cannot be negative'
+    ],
+
 
     /*
     |--------------------------------------------------------------------------