diff --git a/app/views/spree/admin/products/new.html.haml b/app/views/spree/admin/products/new.html.haml
index e7b212dfba..efdbb993e5 100644
--- a/app/views/spree/admin/products/new.html.haml
+++ b/app/views/spree/admin/products/new.html.haml
@@ -24,7 +24,7 @@
           = f.field_container :units do
             = f.label :variant_unit_with_scale, t(".units")
             %span.required *
-            %select{id: 'product_variant_unit_with_scale', 'ng-model' => 'product.variant_unit_with_scale', 'ng-options' => 'unit[1] as unit[0] for unit in variant_unit_options',"data-controller": "tom-select", class: "primary"}
+            %select{id: 'product_variant_unit_with_scale', 'ng-model' => 'product.variant_unit_with_scale', 'ng-options' => 'unit[1] as unit[0] for unit in variant_unit_options', "data-controller": "tom-select","data-tom-select-options-value": '{"allowEmptyOption":false}', class: "primary"}
               %option{'value' => '', 'ng-hide' => "hasUnit(product)"}
             %input{ type: 'hidden', 'ng-value': 'product.variant_unit', "ng-init": "product.variant_unit='#{@product.variant_unit}'", name: 'product[variant_unit]' }
             %input{ type: 'hidden', 'ng-value': 'product.variant_unit_scale', "ng-init": "product.variant_unit_scale='#{@product.variant_unit_scale}'", name: 'product[variant_unit_scale]' }