diff --git a/src/gui/platform/unix/qdesktopunixservices.cpp b/src/gui/platform/unix/qdesktopunixservices.cpp
index 19edd95d14a..7cce10b5507 100644
--- a/src/gui/platform/unix/qdesktopunixservices.cpp
+++ b/src/gui/platform/unix/qdesktopunixservices.cpp
@@ -373,7 +373,7 @@ private:
 
 QDesktopUnixServices::QDesktopUnixServices()
 {
-    if (desktopEnvironment() == QByteArrayLiteral("UNKNOWN"))
+    if (detectDesktopEnvironment() == QByteArrayLiteral("UNKNOWN"))
         return;
 
 #if QT_CONFIG(dbus)