diff --git a/initialstart/modules/prepare/CMakeLists.txt b/initialstart/modules/prepare/CMakeLists.txt
index 0cb8ba8c..99b9c306 100644
--- a/initialstart/modules/prepare/CMakeLists.txt
+++ b/initialstart/modules/prepare/CMakeLists.txt
@@ -17,6 +17,7 @@ target_link_libraries(prepareplugin
     KF6::ConfigGui
     KF6::I18n
     KF6::Notifications
+    KF6::Screen
 )
 
 set_property(TARGET prepareplugin PROPERTY LIBRARY_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/org/kde/plasma/mobileinitialstart/prepare)
diff --git a/initialstart/modules/prepare/prepareutil.cpp b/initialstart/modules/prepare/prepareutil.cpp
index eaa4d7ce..ef12fcdd 100644
--- a/initialstart/modules/prepare/prepareutil.cpp
+++ b/initialstart/modules/prepare/prepareutil.cpp
@@ -3,17 +3,31 @@
 
 #include "prepareutil.h"
 
-#include <QDebug>
-#include <QRegularExpression>
+#include <kscreen/configmonitor.h>
+#include <kscreen/getconfigoperation.h>
+#include <kscreen/output.h>
+#include <kscreen/setconfigoperation.h>
 
 PrepareUtil::PrepareUtil(QObject *parent)
     : QObject{parent}
-    , m_process{new QProcess{this}}
 {
-    connect(m_process, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, &PrepareUtil::receiveScalingFactor);
+    connect(new KScreen::GetConfigOperation(), &KScreen::GetConfigOperation::finished, this, [this](auto *op) {
+        m_config = qobject_cast<KScreen::GetConfigOperation *>(op)->config();
 
-    // HACK: we are using kscreen-doctor to determine scaling, should switch to API
-    m_process->start("kscreen-doctor", {"-o"});
+        int scaling = 100;
+
+        // to determine the scaling value:
+        // try to take the primary display's scaling, otherwise use the scaling of any of the displays
+        for (KScreen::OutputPtr output : m_config->outputs()) {
+            scaling = output->scale() * 100;
+            if (output->isPrimary()) {
+                break;
+            }
+        }
+
+        m_scaling = scaling;
+        Q_EMIT scalingChanged();
+    });
 }
 
 int PrepareUtil::scaling() const
@@ -23,47 +37,25 @@ int PrepareUtil::scaling() const
 
 void PrepareUtil::setScaling(int scaling)
 {
-    if (scaling != m_scaling) {
-        const QString scalingNum = QString::number(((double)scaling) / 100);
-        qDebug() << "scaling" << scalingNum;
-
-        m_process->start("kscreen-doctor", {"output." + m_display + ".scale." + scalingNum});
-
-        m_scaling = scaling;
-        Q_EMIT scalingChanged();
+    if (!m_config) {
+        return;
     }
+
+    const auto outputs = m_config->outputs();
+    qreal scalingNum = ((double)scaling) / 100;
+
+    for (KScreen::OutputPtr output : outputs) {
+        output->setScale(scalingNum);
+    }
+
+    auto setop = new KScreen::SetConfigOperation(m_config, this);
+    setop->exec();
+
+    m_scaling = scaling;
+    Q_EMIT scalingChanged();
 }
 
 QStringList PrepareUtil::scalingOptions()
 {
     return {"50%", "100%", "150%", "200%", "250%", "300%"};
 }
-
-void PrepareUtil::receiveScalingFactor(int exitCode, QProcess::ExitStatus exitStatus)
-{
-    Q_UNUSED(exitCode)
-    Q_UNUSED(exitStatus)
-
-    // only trigger this slot once, on first time
-    disconnect(m_process, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, &PrepareUtil::receiveScalingFactor);
-
-    // remove ansi color codes
-    const auto ansiEscape = QRegularExpression{"\\\u001B\\[.*?m"};
-    const auto output = QString::fromUtf8(m_process->readAllStandardOutput()).replace(ansiEscape, "").replace("\\n", " ");
-    auto split = output.split(" ");
-
-    // HACK: hardcode how we get the output from kscreen-doctor
-    // we assume the first display is the phone screen
-    for (int i = 0; i < split.size(); ++i) {
-        if (i == 2) {
-            m_display = split[i];
-        } else if (split[i] == "Scale:") {
-            if (i + 1 < split.size()) {
-                m_scaling = split[i + 1].toDouble() * 100;
-                Q_EMIT scalingChanged();
-            }
-
-            break;
-        }
-    }
-}
diff --git a/initialstart/modules/prepare/prepareutil.h b/initialstart/modules/prepare/prepareutil.h
index 49f536a0..de749978 100644
--- a/initialstart/modules/prepare/prepareutil.h
+++ b/initialstart/modules/prepare/prepareutil.h
@@ -6,6 +6,8 @@
 #include <QObject>
 #include <QProcess>
 
+#include <kscreen/config.h>
+
 class PrepareUtil : public QObject
 {
     Q_OBJECT
@@ -23,12 +25,7 @@ public:
 Q_SIGNALS:
     void scalingChanged();
 
-public Q_SLOTS:
-    void receiveScalingFactor(int exitCode, QProcess::ExitStatus exitStatus);
-
 private:
     int m_scaling;
-    QString m_display;
-
-    QProcess *m_process;
+    KScreen::ConfigPtr m_config;
 };