diff --git a/product_internal_reference_generator/models/product_template.py b/product_internal_reference_generator/models/product_template.py
index 9101e98ad..ca32023e7 100644
--- a/product_internal_reference_generator/models/product_template.py
+++ b/product_internal_reference_generator/models/product_template.py
@@ -18,8 +18,9 @@ def onchange_int_ref_template_id(self):
 
     def btn_generate_sequence(self):
         self.ensure_one()
-        self.variants_prefix = self.int_ref_template_id.sequence_id.get_next_char(0)
+        # self.variants_prefix = self.int_ref_template_id.sequence_id.get_next_char(0)
         int_ref_next_val = self.int_ref_template_id.sequence_id.next_by_id()
+        self.variants_prefix = int_ref_next_val
         var_seq = self.env["ir.sequence"].create(
             {
                 "name": "variants " + int_ref_next_val,
diff --git a/product_internal_reference_generator/views/product.xml b/product_internal_reference_generator/views/product.xml
index 520f213d7..766f6bb60 100644
--- a/product_internal_reference_generator/views/product.xml
+++ b/product_internal_reference_generator/views/product.xml
@@ -9,6 +9,7 @@
                     for="int_ref_template_id"
                     class="o_form_label"
                     attrs="{'invisible': [('variants_prefix', '!=', False)]}"
+                    string="Int. Ref. Template"
                 />
                 <div class="o_row" name="sequence">
                     <field
@@ -31,6 +32,7 @@
                 <field
                     name="variants_prefix"
                     attrs="{'invisible': [('int_ref_template_id', '=', False)]}"
+                    string="Int. Ref. Prefix"
                 />
             </field>
              <field name="default_code" position="attributes">