diff --git a/SAS/TMSS/backend/src/tmss/tmssapp/viewsets/specification.py b/SAS/TMSS/backend/src/tmss/tmssapp/viewsets/specification.py
index f1049c977420521dd1b9c9523517c7c5c92cca77..04e41f38b2b409cd7efc9ffdff99c937851465df 100644
--- a/SAS/TMSS/backend/src/tmss/tmssapp/viewsets/specification.py
+++ b/SAS/TMSS/backend/src/tmss/tmssapp/viewsets/specification.py
@@ -145,7 +145,7 @@ class SchedulingUnitObservingStrategyTemplateViewSet(LOFARViewSet):
         triger_doc['name'] = 'my_trigger_name'
         triger_doc['description'] = 'my_description_for_this_trigger'
         triger_doc['scheduling_unit_observing_strategy_template']['name'] = strategy_template.name
-        triger_doc['scheduling_unit_observing_strategy_template']['version'] = strategy_template.version
+        triger_doc['scheduling_unit_observing_strategy_template']['version'] = int(strategy_template.version)
         triger_doc['scheduling_unit_observing_strategy_template']['overrides'] = strategy_template.template_doc_with_just_the_parameters
 
         return JsonResponse(triger_doc, json_dumps_params={'indent': 2})