diff --git a/applet/contents/ui/TrafficMonitor.qml b/applet/contents/ui/TrafficMonitor.qml
--- a/applet/contents/ui/TrafficMonitor.qml
+++ b/applet/contents/ui/TrafficMonitor.qml
@@ -28,18 +28,19 @@
     property real txBytes: 0
     property alias interval: timer.interval
 
-    height: visible ? plotter.height + units.gridUnit : 0
+    height: visible ? plotter.height + plotter.anchors.topMargin + units.smallSpacing  : 0
 
     Repeater {
         model: 5
 
         PlasmaComponents.Label {
             anchors {
                 left: parent.left
                 top: parent.top
-                topMargin: Math.round(units.gridUnit / 3) + (index * plotter.height / 5)
+                topMargin: index * plotter.height / 5
             }
-            height: paintedHeight
+            // Workaround to get paintedHeight.
+            height: theme.mSize(theme.smallestFont).height
             font.pointSize: theme.smallestFont.pointSize
             lineHeight: 1.75
             text: KCoreAddons.Format.formatByteSize(plotter.maxValue * (1 - index / 5)) + i18n("/s")
@@ -57,7 +58,7 @@
             leftMargin: units.gridUnit * 3
             right: parent.right
             top: parent.top
-            topMargin: units.gridUnit
+            topMargin: theme.mSize(theme.smallestFont).height / 2
         }
         width: units.gridUnit * 20
         height: units.gridUnit * 8