diff --git a/aitrainer_backoffice/aitrainer_backoffice/admin/training_plan.py b/aitrainer_backoffice/aitrainer_backoffice/admin/training_plan.py
index 1e1294b..2730b22 100644
--- a/aitrainer_backoffice/aitrainer_backoffice/admin/training_plan.py
+++ b/aitrainer_backoffice/aitrainer_backoffice/admin/training_plan.py
@@ -8,6 +8,7 @@ from ..models.training_plan import TrainingPlan, TrainingPlanDetail, TrainingPla
 class TrainingPlanDetailInline(admin.TabularInline):
     model = TrainingPlanDetail
     #fk_name = 'training_plan_detail_id'
+    extra = 0
     list_display = (
         'training_plan', 'exercise_type', 'sort', 'set', 'repeats', 'max', 'weight', 'calc',
         'resting_time', 'parallel', 'day')