diff --git a/src/on_change_threshold.hpp b/src/on_change_threshold.hpp
index 0d0f841..7eb1f6d 100644
--- a/src/on_change_threshold.hpp
+++ b/src/on_change_threshold.hpp
@@ -4,7 +4,7 @@
 #include "interfaces/sensor_listener.hpp"
 #include "interfaces/threshold.hpp"
 #include "interfaces/trigger_action.hpp"
-#include "interfaces/trigger_types.hpp"
+#include "types/trigger_types.hpp"
 
 #include <boost/asio/steady_timer.hpp>
 
@@ -19,8 +19,7 @@
 {
   public:
     OnChangeThreshold(
-        std::vector<std::shared_ptr<interfaces::Sensor>> sensors,
-        std::vector<std::string> sensorNames,
+        Sensors sensors, std::vector<std::string> sensorNames,
         std::vector<std::unique_ptr<interfaces::TriggerAction>> actions);
     ~OnChangeThreshold()
     {}
@@ -30,7 +29,7 @@
     void sensorUpdated(interfaces::Sensor&, uint64_t, double) override;
 
   private:
-    const std::vector<std::shared_ptr<interfaces::Sensor>> sensors;
+    const Sensors sensors;
     const std::vector<std::string> sensorNames;
     const std::vector<std::unique_ptr<interfaces::TriggerAction>> actions;