diff --git a/src/modules/ekf2/ekf2_params.c b/src/modules/ekf2/ekf2_params.c
index d026a21793..28711c713c 100644
--- a/src/modules/ekf2/ekf2_params.c
+++ b/src/modules/ekf2/ekf2_params.c
@@ -432,6 +432,7 @@ PARAM_DEFINE_FLOAT(EKF2_BETA_NOISE, 0.3f);
  * Magnetic declination
  *
  * @group EKF2
+ * @volatile
  * @unit deg
  * @decimal 1
  */