app/views/educode_sales/activities/index.json.jbuilder in educode_sales-0.1.1 vs app/views/educode_sales/activities/index.json.jbuilder in educode_sales-0.1.2

@@ -3,10 +3,10 @@
     json.id d.id
     json.name d.name
     json.days d.days
     json.teachers_count d.activity_teachers_count
     json.return_rate d.return_rate
-    json.students_count d.students_count
+    json.students_count d.students_count || 0
     json.course_rate d.course_rate
     json.start_at d.start_at ? d.start_at.to_s(:date) : ''
   end
 end
 json.code 0
\ No newline at end of file