diff --git a/jsk_hrp2_ros_bridge/scripts/sensors_monitor.py b/jsk_hrp2_ros_bridge/scripts/sensors_monitor.py
index fee83e98..5f28b8af 100755
--- a/jsk_hrp2_ros_bridge/scripts/sensors_monitor.py
+++ b/jsk_hrp2_ros_bridge/scripts/sensors_monitor.py
@@ -53,13 +53,13 @@ def monitor(self, stat):
                         stat.mergeSummary(DIAG.ERROR, "Critical Temperature")
                     elif entry.high is not None and entry.current > entry.high:
                         stat.mergeSummary(DIAG.WARN, "High Temperature")
-                    stat.add(" ".join([name, entry.label]), entry.current)
+                    stat.add(" ".join([name, entry.label, "[degree]"]), entry.current)
             # Fans.
             if name in fans:
                 for entry in fans[name]:
                     if entry.current < self.rpm_threshold:
                         stat.mergeSummary(DIAG.WARN, "Fan slowing down")
-                    stat.add(" ".join(['Fan', name, entry.label]),
+                    stat.add(" ".join(['Fan', name, entry.label, "[RPM]"]),
                              entry.current)
         return stat