diff --git a/MAVProxy/modules/mavproxy_misc.py b/MAVProxy/modules/mavproxy_misc.py
index 5999b4b636..e6c671f41a 100644
--- a/MAVProxy/modules/mavproxy_misc.py
+++ b/MAVProxy/modules/mavproxy_misc.py
@@ -488,7 +488,7 @@ def cmd_devid(self, args):
             if p.startswith('COMPASS_DEV_ID') or p.startswith('COMPASS_PRIO') or (
                     p.startswith('COMPASS') and p.endswith('DEV_ID')):
                 mp_util.decode_devid(self.mav_param[p], p)
-            if p.startswith('INS_') and p.endswith('_ID'):
+            if p.startswith('INS') and p.endswith('_ID'):
                 mp_util.decode_devid(self.mav_param[p], p)
             if p.startswith('GND_BARO') and p.endswith('_ID'):
                 mp_util.decode_devid(self.mav_param[p], p)