diff --git a/include/recharge.hpp b/include/recharge.hpp
index 4fea16b..ef15375 100644
--- a/include/recharge.hpp
+++ b/include/recharge.hpp
@@ -8,6 +8,7 @@
 #include <atomic>
 #include <thread>
 #include <condition_variable>
+#include <unitree/idl/ros2/String_.hpp>
 
 #define RechargeTopic "rt/aruco_cmd"
 #define RechargeStateTopic "rt/aruco_state"