diff --git a/src/AutoPilotPlugins/PX4/SafetyComponent.qml b/src/AutoPilotPlugins/PX4/SafetyComponent.qml
index c2dfcd65bcc863b9839d6ea3b8c2d2f0b29481b0..c3df849bc53f60f31f274f23d82bf55ce0ffc45a 100644
--- a/src/AutoPilotPlugins/PX4/SafetyComponent.qml
+++ b/src/AutoPilotPlugins/PX4/SafetyComponent.qml
@@ -69,6 +69,7 @@ Rectangle {
                 Row {
                     spacing: 10
                     FactCheckBox {
+                        id: telemetryTimeoutCheckbox
                         fact: autopilot.parameters["COM_DL_LOSS_EN"]
                         checkedValue: 1
                         uncheckedValue: 0
@@ -81,6 +82,7 @@ Rectangle {
                         id: telemetryLossField
                         fact: autopilot.parameters["COM_DL_LOSS_T"];
                         showUnits: true
+                        enabled: telemetryTimeoutCheckbox.checked
                     }
                 }