diff --git a/root.pro b/root.pro
index c5fecb7..f71664b 100644
--- a/root.pro
+++ b/root.pro
@@ -2,7 +2,7 @@ TEMPLATE = subdirs
 
 SUBDIRS = src tests type-to-cxx
 
-prf.path =  $$[QT_INSTALL_DATA]/mkspecs/features
+prf.path = $$[QT_INSTALL_ARCHDATA]/mkspecs/features
 prf.files = iodata-qt5.prf
 
 INSTALLS = prf