diff --git a/src/AutoPilotPlugins/PX4/PX4SimpleFlightModes.qml b/src/AutoPilotPlugins/PX4/PX4SimpleFlightModes.qml
index 9dacb75f4d3c43c98455b28d44ff889c7230e633..6bb0c4adaa767b24b94a2f9d2af8a04d9cd1a9e5 100644
--- a/src/AutoPilotPlugins/PX4/PX4SimpleFlightModes.qml
+++ b/src/AutoPilotPlugins/PX4/PX4SimpleFlightModes.qml
@@ -40,6 +40,9 @@ Item {
 
     property real _margins: ScreenTools.defaultFontPixelHeight / 2
 
+    readonly property real _flightModeComboWidth:   ScreenTools.defaultFontPixelWidth * 23
+    readonly property real _channelComboWidth:      ScreenTools.defaultFontPixelWidth * 20
+
     QGCPalette { id: qgcPal; colorGroupEnabled: panel.enabled }
 
     PX4SimpleFlightModesController {
@@ -95,7 +98,7 @@ Item {
 
                                 FactComboBox {
                                     id:         modeChannelCombo
-                                    width:      ScreenTools.defaultFontPixelWidth * 15
+                                    width:      _channelComboWidth
                                     fact:       controller.getParameterFact(-1, "RC_MAP_FLTMODE")
                                     indexModel: false
                                 }
@@ -117,7 +120,7 @@ Item {
 
                                     FactComboBox {
                                         id:         modeCombo
-                                        width:      ScreenTools.defaultFontPixelWidth * 20
+                                        width:      _flightModeComboWidth
                                         fact:       controller.getParameterFact(-1, "COM_FLTMODE" + index)
                                         indexModel: false
                                     }
@@ -163,7 +166,7 @@ Item {
 
                                     FactComboBox {
                                         id:         optCombo
-                                        width:      ScreenTools.defaultFontPixelWidth * 15
+                                        width:      _channelComboWidth
                                         fact:       parent.fact
                                         indexModel: false
                                     }
diff --git a/src/ui/MainWindowLeftPanel.qml b/src/ui/MainWindowLeftPanel.qml
index 997368eca6034ae7b361115d72a62e5574f18dc9..b4ebc5567ec812a2199c67ed74c13b6e94d5b20a 100644
--- a/src/ui/MainWindowLeftPanel.qml
+++ b/src/ui/MainWindowLeftPanel.qml
@@ -130,7 +130,7 @@ Item {
     // This is the menu dialog panel which is anchored to the left edge
     Rectangle {
         id:             __leftMenu
-        width:          ScreenTools.defaultFontPixelWidth * 12
+        width:          ScreenTools.defaultFontPixelWidth * 14
         anchors.left:   parent.left
         anchors.top:    __topSeparator.bottom
         anchors.bottom: parent.bottom