diff --git a/src/corelib/io/qloggingregistry.cpp b/src/corelib/io/qloggingregistry.cpp
index 62fffc6ab7e..caaa7facf20 100644
--- a/src/corelib/io/qloggingregistry.cpp
+++ b/src/corelib/io/qloggingregistry.cpp
@@ -301,16 +301,16 @@ void QLoggingRegistry::initializeRules()
         er += parser.rules();
     }
 
-    const QString configFileName = QStringLiteral("qtlogging.ini");
+    const QString configFileName = u"QtProject/qtlogging.ini"_s;
+    QStringView baseConfigFileName = QStringView(configFileName).sliced(strlen("QtProject"));
+    Q_ASSERT(baseConfigFileName.startsWith(u'/'));
 
     // get rules from Qt data configuration path
-    const QString qtConfigPath
-            = QDir(QLibraryInfo::path(QLibraryInfo::DataPath)).absoluteFilePath(configFileName);
-    qr = loadRulesFromFile(qtConfigPath);
+    qr = loadRulesFromFile(QLibraryInfo::path(QLibraryInfo::DataPath) + baseConfigFileName);
 
     // get rules from user's/system configuration
     const QString envPath = QStandardPaths::locate(QStandardPaths::GenericConfigLocation,
-                                                   QString::fromLatin1("QtProject/") + configFileName);
+                                                   configFileName);
     if (!envPath.isEmpty())
         cr = loadRulesFromFile(envPath);