diff --git a/src/AutoPilotPlugins/APM/APMSubFrameComponent.qml b/src/AutoPilotPlugins/APM/APMSubFrameComponent.qml
index 014e0675e1375d383e8df0581bf1860c1679bc34..807f8632ce98dc607ae38daa4cbb568280dacdbb 100644
--- a/src/AutoPilotPlugins/APM/APMSubFrameComponent.qml
+++ b/src/AutoPilotPlugins/APM/APMSubFrameComponent.qml
@@ -199,8 +199,7 @@ SetupPage {
                     model:  _flatParamList
 
                     delegate: QGCButton {
-                        width:  parent.width / 2.1
-                        height: (ScreenTools.defaultFontPixelHeight * 14) / 5
+                        width:  parent.width
                         text:   name
 
                         onClicked : {