diff --git a/resources/views/invoices/edit.blade.php b/resources/views/invoices/edit.blade.php
index 016f423b7f..716fc495f4 100644
--- a/resources/views/invoices/edit.blade.php
+++ b/resources/views/invoices/edit.blade.php
@@ -1316,6 +1316,10 @@
             return false;
         }
 
+        @if ($invoice->trashed())
+            return false;
+        @endif
+
         // check invoice number is unique
         if ($('.invoice-number').hasClass('has-error')) {
             return false;