diff --git a/src/backend/InvenTree/part/models.py b/src/backend/InvenTree/part/models.py
index a9109c0174..b73b36ca8e 100644
--- a/src/backend/InvenTree/part/models.py
+++ b/src/backend/InvenTree/part/models.py
@@ -2478,6 +2478,7 @@ class Part(
             category__in=categories
         ).order_by('-category__level')
 
+        template_ids = set()
         parameters = []
         content_type = ContentType.objects.get_for_model(Part)
 
@@ -2488,6 +2489,12 @@ class Part(
             ).exists():
                 continue
 
+            # Ensure we do not create duplicate parameters if multiple categories have the same template
+            if category_template.template.pk in template_ids:
+                continue
+
+            template_ids.add(category_template.template.pk)
+
             parameters.append(
                 Parameter(
                     template=category_template.template,
@@ -2497,8 +2504,7 @@ class Part(
                 )
             )
 
-        if len(parameters) > 0:
-            Parameter.objects.bulk_create(parameters)
+        Parameter.objects.bulk_create(parameters)
 
     def getTestTemplates(
         self, required=None, include_parent: bool = True, enabled=None