diff --git a/osinaweb/osinacore/admin.py b/osinaweb/osinacore/admin.py
index 9cc9f225..e8f9614f 100644
--- a/osinaweb/osinacore/admin.py
+++ b/osinaweb/osinacore/admin.py
@@ -21,7 +21,7 @@ class PointAdmin(admin.ModelAdmin):
 
 class TaskAdmin(admin.ModelAdmin):
     list_display = ('name', 'get_project_name', 'get_milestone_name')
-    list_filter = ('project', 'milestone')  # Enables sidebar filtering
+    list_filter = ('project')  # Enables sidebar filtering
 
     def get_project_name(self, obj):
         return obj.project.name if obj.project else '-'