diff --git a/src/kdebugsettingsdialog.cpp b/src/kdebugsettingsdialog.cpp
--- a/src/kdebugsettingsdialog.cpp
+++ b/src/kdebugsettingsdialog.cpp
@@ -33,6 +33,7 @@
 
 #include <QFileDialog>
 #include <QDialogButtonBox>
+#include <QLibraryInfo>
 #include <QTabWidget>
 #include <QVBoxLayout>
 #include <QPushButton>
@@ -116,6 +117,9 @@
 
 void KDebugSettingsDialog::readQtLoggingFile()
 {
+    const QString dataPath = QDir(QLibraryInfo::location(QLibraryInfo::DataPath)).absoluteFilePath(QStringLiteral("qtlogging.ini"));
+    readCategoriesFiles(dataPath);
+
     const QString envPath = QStandardPaths::locate(QStandardPaths::GenericConfigLocation, QStringLiteral("QtProject/qtlogging.ini"));
     readCategoriesFiles(envPath);
 }