diff --git a/src/declarativeimports/plasmastyle/ProgressBarStyle.qml b/src/declarativeimports/plasmastyle/ProgressBarStyle.qml
index ccfa6d92e..6c15a32b9 100644
--- a/src/declarativeimports/plasmastyle/ProgressBarStyle.qml
+++ b/src/declarativeimports/plasmastyle/ProgressBarStyle.qml
@@ -29,7 +29,7 @@ ProgressBarStyle {
 
     readonly property string imagePath: "widgets/bar_meter_horizontal"
 
-    readonly property real implicitHeight: barSvg.preferredHeight * Math.floor(units.devicePixelRatio)
+    readonly property real implicitHeight: barSvg.preferredHeight * Math.max(1, Math.floor(units.devicePixelRatio))
 
     PlasmaCore.Svg {
         id: barSvg
diff --git a/src/declarativeimports/plasmastyle/SliderStyle.qml b/src/declarativeimports/plasmastyle/SliderStyle.qml
index da286a76d..4824c7de7 100644
--- a/src/declarativeimports/plasmastyle/SliderStyle.qml
+++ b/src/declarativeimports/plasmastyle/SliderStyle.qml
@@ -63,7 +63,7 @@ QtQuickControlStyle.SliderStyle {
         id: groove
         imagePath: "widgets/slider"
         prefix: "groove"
-        height: implicitHeight * Math.floor(units.devicePixelRatio)
+        height: implicitHeight * Math.max(1, Math.floor(units.devicePixelRatio))
 
         PlasmaCore.FrameSvgItem {
             id: highlight