diff --git a/lib/reporting/reports/packing/supplier.rb b/lib/reporting/reports/packing/supplier.rb
index 6fd189e37d..fa173afce8 100644
--- a/lib/reporting/reports/packing/supplier.rb
+++ b/lib/reporting/reports/packing/supplier.rb
@@ -38,7 +38,7 @@ module Reporting
               sql_grouping(grouping_fields),
               Arel.sql("product"),
               Arel.sql("variant"),
-              Arel.sql("supplier"),
+              Arel.sql("last_name")
             ]
           end
         end