diff --git a/classes/kde-base.bbclass b/classes/kde-base.bbclass
index b7bfd51c..841d77f3 100644
--- a/classes/kde-base.bbclass
+++ b/classes/kde-base.bbclass
@@ -13,10 +13,10 @@ FILES_${PN}-dev += "${libdir}/cmake"
 FILES_${PN}-dbg += "${libdir}/plugins/kf5/.debug"
 
 EXTRA_OECMAKE += " \
-    -DECM_MKSPECS_INSTALL_DIR=${libdir}${QT_DIR_NAME}/mkspecs/modules \
+    -DECM_MKSPECS_INSTALL_DIR=${OE_QMAKE_PATH_QT_ARCHDATA}/mkspecs/modules \
     -DCMAKE_INSTALL_DATADIR=share \
     -DCMAKE_INSTALL_DBUSINTERFACEDIR=share/dbus-1/interfaces \
     -DKDE_INSTALL_QTPLUGINDIR=${OE_QMAKE_PATH_PLUGINS} \
     -DKDE_INSTALL_QMLDIR=${OE_QMAKE_PATH_QML} \
 "
-FILES_${PN}-dev += "${libdir}${QT_DIR_NAME}/mkspecs"
+FILES_${PN}-dev += "${OE_QMAKE_PATH_QT_ARCHDATA}/mkspecs"