diff --git a/maintenance_equipment_sequence/models/maintenance.py b/maintenance_equipment_sequence/models/maintenance.py
index c8348060f..f8b3fcc1a 100644
--- a/maintenance_equipment_sequence/models/maintenance.py
+++ b/maintenance_equipment_sequence/models/maintenance.py
@@ -63,17 +63,18 @@ def _inverse_seq_number_next(self):
                 sequence = category.sequence_id._get_current_sequence()
                 sequence.sudo().number_next = category.sequence_number_next
 
-    @api.model
-    def create(self, vals):
-        if not vals.get("sequence_id", False):
-            if vals.get("sequence_prefix", False):
-                vals["sequence_id"] = self.sudo()._create_sequence(vals).id
-        else:
-            vals["sequence_prefix"] = (
-                self.env["ir.sequence"].browse(vals["sequence_id"]).prefix
-            )
-        result = super(MaintenanceEquipmentCategory, self).create(vals)
-        self._compute_equipment_code()
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            if not vals.get("sequence_id", False):
+                if vals.get("sequence_prefix", False):
+                    vals["sequence_id"] = self.sudo()._create_sequence(vals).id
+            else:
+                vals["sequence_prefix"] = (
+                    self.env["ir.sequence"].browse(vals["sequence_id"]).prefix
+                )
+        result = super().create(vals_list)
+        result._compute_equipment_code()
         return result
 
     def write(self, vals):
diff --git a/maintenance_equipment_sequence/tests/test_maintenance_equipment_sequence.py b/maintenance_equipment_sequence/tests/test_maintenance_equipment_sequence.py
index 176cf5a33..b6bb5b6db 100644
--- a/maintenance_equipment_sequence/tests/test_maintenance_equipment_sequence.py
+++ b/maintenance_equipment_sequence/tests/test_maintenance_equipment_sequence.py
@@ -59,3 +59,27 @@ def test_01_maintenance_equipment_sequence(self):
         # Remove code and be automatically set to sequence next value
         equipment_1.write({"serial_no": False})
         self.assertEqual(equipment_1.serial_no, "TTC0002")
+
+    def test_02_maintenance_equipment_sequence(self):
+        """Create an equipment category linked to a default sequence with a prefix,
+        and verify that the category correctly inherits the sequence prefix.
+        """
+        # Create a sequence
+        seq_1 = self.sequence_obj.create(
+            {
+                "name": "Test Sequence",
+                "implementation": "no_gap",
+                "prefix": "TTC_TEST",
+                "padding": 4,
+                "number_increment": 1,
+                "use_date_range": False,
+            }
+        )
+        # Create an equipment category linked to the sequence
+        categ_1 = self.maintenance_equipment_categ_obj.create(
+            {
+                "name": "Test Category 0",
+                "sequence_id": seq_1.id,
+            }
+        )
+        self.assertEqual(categ_1.sequence_prefix, seq_1.prefix)