diff --git a/src/AutoPilotPlugins/APM/APMSafetyComponentSub.qml b/src/AutoPilotPlugins/APM/APMSafetyComponentSub.qml
index 5ea354841356998442d62f775bcc6a1b08e2627f..9c52761c0f0d6a6bb9d42bc983dba21fb760a525 100644
--- a/src/AutoPilotPlugins/APM/APMSafetyComponentSub.qml
+++ b/src/AutoPilotPlugins/APM/APMSafetyComponentSub.qml
@@ -135,6 +135,7 @@ SetupPage {
                                 visible:            leakEnableCombo.currentIndex != 0
                                 anchors.baseline:   leakEnableCombo.baseline
                                 fact:               _failsafeLeakPin
+                                indexModel:         false
                             }
 
                             QGCLabel {
@@ -149,6 +150,7 @@ SetupPage {
                                 visible:            leakEnableCombo.currentIndex != 0
                                 anchors.baseline:   leakEnableCombo.baseline
                                 fact:               _failsafeLeakLogic
+                                indexModel:         false
                             }
                         }
 
diff --git a/src/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.5.xml b/src/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.5.xml
index ad63e8e4321375dd48726312c7e68ce959d172a2..cf7d60473faf475c887444441ee2af21f7544f34 100644
--- a/src/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.5.xml
+++ b/src/FirmwarePlugin/APM/APMParameterFactMetaData.Sub.3.5.xml
@@ -3966,6 +3966,7 @@
 <values>
 <value code="-1">Disabled</value>
 <value code="0">Bus0</value>
+<value code="1">Bus1</value>
 </values>
 </param>
 <param humanName="Specific Gravity (For water depth measurement)" name="GND_SPEC_GRAV" documentation="This sets the specific gravity of the fluid when flying an underwater ROV.">