diff --git a/applets/devicenotifier/messageinfo.cpp b/applets/devicenotifier/messageinfo.cpp
index e5c987879b..d26287a906 100644
--- a/applets/devicenotifier/messageinfo.cpp
+++ b/applets/devicenotifier/messageinfo.cpp
@@ -64,7 +64,7 @@ void MessageInfo::queryBlockingApps(const QString &devicePath)
         Q_EMIT blockingAppsReady(blockApps);
         p->deleteLater();
     });
-    p->start(QStringLiteral("lsof"), {QStringLiteral("-t"), devicePath});
+    p->start(QStringLiteral("@lsof@"), {QStringLiteral("-t"), devicePath});
     //    p.start(QStringLiteral("fuser"), {QStringLiteral("-m"), devicePath});
 }
 
diff --git a/kcms/fonts/fontinit.cpp b/kcms/fonts/fontinit.cpp
index e27e21a7bd..abbf7f32e1 100644
--- a/kcms/fonts/fontinit.cpp
+++ b/kcms/fonts/fontinit.cpp
@@ -27,7 +27,7 @@ Q_DECL_EXPORT void kcminit()
 
     const QByteArray input = "Xft.dpi: " + QByteArray::number(dpi);
     QProcess p;
-    p.start(QStringLiteral("xrdb"), {QStringLiteral("-quiet"), QStringLiteral("-merge"), QStringLiteral("-nocpp")});
+    p.start(QStringLiteral("@xrdb@"), {QStringLiteral("-quiet"), QStringLiteral("-merge"), QStringLiteral("-nocpp")});
     p.setProcessChannelMode(QProcess::ForwardedChannels);
     p.write(input);
     p.closeWriteChannel();
diff --git a/kcms/fonts/fonts.cpp b/kcms/fonts/fonts.cpp
index a150527de6..4798518162 100644
--- a/kcms/fonts/fonts.cpp
+++ b/kcms/fonts/fonts.cpp
@@ -151,7 +151,7 @@ void KFonts::save()
     if (fontsAASettings()->forceFontDPI() == 0 && forceFontDPIChanged && KWindowSystem::isPlatformX11()) {
         QProcess proc;
         proc.setProcessChannelMode(QProcess::ForwardedChannels);
-        proc.start(u"xrdb"_s, QStringList{u"-quiet"_s, u"-remove"_s, u"-nocpp"_s});
+        proc.start(u"@xrdb@"_s, QStringList{u"-quiet"_s, u"-remove"_s, u"-nocpp"_s});
         if (proc.waitForStarted()) {
             proc.write("Xft.dpi\n");
             proc.closeWriteChannel();
diff --git a/kcms/kfontinst/kcmfontinst/FcQuery.cpp b/kcms/kfontinst/kcmfontinst/FcQuery.cpp
index 32ba97a4d6..c26f45f2e0 100644
--- a/kcms/kfontinst/kcmfontinst/FcQuery.cpp
+++ b/kcms/kfontinst/kcmfontinst/FcQuery.cpp
@@ -44,7 +44,7 @@ void CFcQuery::run(const QString &query)
     connect(m_proc, SIGNAL(finished(int, QProcess::ExitStatus)), SLOT(procExited()));
     connect(m_proc, &QProcess::readyReadStandardOutput, this, &CFcQuery::data);
 
-    m_proc->start(u"fc-match"_s, args);
+    m_proc->start(u"@fcMatch@"_s, args);
 }
 
 void CFcQuery::procExited()
diff --git a/kcms/krdb/krdb.cpp b/kcms/krdb/krdb.cpp
index 0a3fb44698..d44b63350b 100644
--- a/kcms/krdb/krdb.cpp
+++ b/kcms/krdb/krdb.cpp
@@ -425,7 +425,7 @@ void runRdb(unsigned int flags)
             contents += "Xft.dpi: "_L1 + QString::number(dpi) + u'\n';
         else {
             KProcess queryProc;
-            queryProc << QStringLiteral("xrdb") << QStringLiteral("-query");
+            queryProc << QStringLiteral("@xrdb@") << QStringLiteral("-query");
             queryProc.setOutputChannelMode(KProcess::OnlyStdoutChannel);
             queryProc.start();
             if (queryProc.waitForFinished()) {
@@ -445,7 +445,7 @@ void runRdb(unsigned int flags)
                 }
 
                 KProcess loadProc;
-                loadProc << QStringLiteral("xrdb") << QStringLiteral("-quiet") << QStringLiteral("-load") << QStringLiteral("-nocpp");
+                loadProc << QStringLiteral("@xrdb@") << QStringLiteral("-quiet") << QStringLiteral("-load") << QStringLiteral("-nocpp");
                 loadProc.start();
                 if (loadProc.waitForStarted()) {
                     loadProc.write(db);
@@ -463,9 +463,9 @@ void runRdb(unsigned int flags)
 
     KProcess proc;
 #ifndef NDEBUG
-    proc << QStringLiteral("xrdb") << QStringLiteral("-merge") << tmpFile.fileName();
+    proc << QStringLiteral("@xrdb@") << QStringLiteral("-merge") << tmpFile.fileName();
 #else
-    proc << u"xrdb"_s << u"-quiet"_s << u"-merge"_s << tmpFile.fileName();
+    proc << u"@xrdb@"_s << u"-quiet"_s << u"-merge"_s << tmpFile.fileName();
 #endif
     proc.execute();
 
diff --git a/ksmserver/plasma-restoresession.service.in b/ksmserver/plasma-restoresession.service.in
index 2c52a4b87d..fd7fdc8ac1 100644
--- a/ksmserver/plasma-restoresession.service.in
+++ b/ksmserver/plasma-restoresession.service.in
@@ -5,5 +5,5 @@ RefuseManualStart=yes
 
 [Service]
 Type=oneshot
-ExecStart=-@QtBinariesDir@/qdbus org.kde.ksmserver /KSMServer org.kde.KSMServerInterface.restoreSession
+ExecStart=-@qdbus@ org.kde.ksmserver /KSMServer org.kde.KSMServerInterface.restoreSession
 Slice=session.slice
diff --git a/startkde/kcminit/plasma-kcminit-phase1.service.in b/startkde/kcminit/plasma-kcminit-phase1.service.in
index 7218628ce9..9126475ea4 100644
--- a/startkde/kcminit/plasma-kcminit-phase1.service.in
+++ b/startkde/kcminit/plasma-kcminit-phase1.service.in
@@ -6,5 +6,5 @@ PartOf=graphical-session.target
 
 [Service]
 Type=oneshot
-ExecStart=@QtBinariesDir@/qdbus org.kde.kcminit /kcminit org.kde.KCMInit.runPhase1
+ExecStart=@qdbus@ org.kde.kcminit /kcminit org.kde.KCMInit.runPhase1
 Slice=session.slice
diff --git a/startkde/startplasma.cpp b/startkde/startplasma.cpp
index f9104619bf..af9fc09a67 100644
--- a/startkde/startplasma.cpp
+++ b/startkde/startplasma.cpp
@@ -57,7 +57,7 @@ void sigtermHandler(int signalNumber)
 void messageBox(const QString &text)
 {
     out << text;
-    runSync(QStringLiteral("xmessage"), {QStringLiteral("-geometry"), QStringLiteral("500x100"), text});
+    runSync(QStringLiteral("@xmessage@"), {QStringLiteral("-geometry"), QStringLiteral("500x100"), text});
 }
 
 QStringList allServices(const QLatin1String &prefix)
@@ -552,7 +552,7 @@ QProcess *setupKSplash()
         if (ksplashCfg.readEntry("Engine", QStringLiteral("KSplashQML")) == QLatin1String("KSplashQML")) {
             p = new QProcess;
             p->setProcessChannelMode(QProcess::ForwardedChannels);
-            p->start(QStringLiteral("ksplashqml"), {ksplashCfg.readEntry("Theme", QStringLiteral("Breeze"))});
+            p->start(QStringLiteral(CMAKE_INSTALL_FULL_BINDIR "/ksplashqml"), {ksplashCfg.readEntry("Theme", QStringLiteral("Breeze"))});
         }
     }
     return p;