diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index 531d5e76..821948fd 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -21,7 +21,7 @@ class ExercisesController < ApplicationController
   private :authorize!
 
   def max_intervention_count
-    2
+    3
   end