diff --git a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
index 7896a5f37514513e4860a6412a478899f9f5a203..797847a7bb29e78c04432159280b77a3045b6717 100644
--- a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
+++ b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
@@ -1454,6 +1454,11 @@ Sets the number of standard deviations used by the innovation consistency test</
       <decimal>1</decimal>
       <reboot_required>true</reboot_required>
     </parameter>
+    <parameter default="0" name="EKF2_EV_NOISE_MD" type="INT32">
+      <short_desc>Whether to set the external vision observation noise from the parameter or from vision message</short_desc>
+      <long_desc>If set to true the observation noise is set from the parameters directly, if set to false the measurement noise is taken from the vision message and the parameter are used as a lower bound.</long_desc>
+      <boolean />
+    </parameter>
     <parameter default="0.0" name="EKF2_EV_POS_X" type="FLOAT">
       <short_desc>X position of VI sensor focal point in body frame</short_desc>
       <unit>m</unit>