diff --git a/device/nucleo_communicate_py/nucleo_communicate_py/channel.py b/device/nucleo_communicate_py/nucleo_communicate_py/channel.py
index 6c3f422..7df5c52 100644
--- a/device/nucleo_communicate_py/nucleo_communicate_py/channel.py
+++ b/device/nucleo_communicate_py/nucleo_communicate_py/channel.py
@@ -33,8 +33,8 @@ def __init__(self, mutex_serial: MutexSerial):
         # Receiver.__init__
         self._current_publisher = self.create_publisher(Current, "current", 10)
         # NOTE: packet_interfaces/Composed の命名と揃える
-        self._flex1_publisher = self.create_publisher(Flex, "flexsensor1", 10)
-        self._flex2_publisher = self.create_publisher(Flex, "flexsensor2", 10)
+        self._flex1_publisher = self.create_publisher(Flex, "flex/1", 10)
+        self._flex2_publisher = self.create_publisher(Flex, "flex/2", 10)
         self._voltage_publisher = self.create_publisher(Voltage, "voltage", 10)
         self._timer = self.create_timer(0.5, self._recv_callback)
         self._recv = Recv(mutex_serial)
diff --git a/device/nucleo_communicate_py/nucleo_communicate_py/receiver.py b/device/nucleo_communicate_py/nucleo_communicate_py/receiver.py
index 3739a13..7223e5a 100644
--- a/device/nucleo_communicate_py/nucleo_communicate_py/receiver.py
+++ b/device/nucleo_communicate_py/nucleo_communicate_py/receiver.py
@@ -44,8 +44,8 @@ def __init__(self, mutex_serial: MutexSerial) -> None:
         super().__init__("receiver")
         self._current_publisher = self.create_publisher(Current, "current", 10)
         # NOTE: packet_interfaces/Composed の命名と揃える
-        self._flex1_publisher = self.create_publisher(Flex, "flexsensor1", 10)
-        self._flex2_publisher = self.create_publisher(Flex, "flexsensor2", 10)
+        self._flex1_publisher = self.create_publisher(Flex, "flex/1", 10)
+        self._flex2_publisher = self.create_publisher(Flex, "flex/2", 10)
         self._voltage_publisher = self.create_publisher(Voltage, "voltage", 10)
         self._timer = self.create_timer(0.5, self._timer_callback)
         self._recv = Recv(mutex_serial)