diff --git a/tools/qmlcachegen/qmlcache.prf b/tools/qmlcachegen/qmlcache.prf
index 537eaf62e..e21de58f6 100644
--- a/tools/qmlcachegen/qmlcache.prf
+++ b/tools/qmlcachegen/qmlcache.prf
@@ -26,7 +26,7 @@ defineReplace(qmlCacheOutputFileName) {
 }
 
 qmlcacheinst.base = $$QMLCACHE_DESTDIR
-qmlcacheinst.path = $$[QT_INSTALL_QML]/$$TARGETPATH
+qmlcacheinst.path = $$NIX_OUTPUT_QML/$$TARGETPATH
 qmlcacheinst.CONFIG = no_check_exist
 
 qmlcachegen.input = CACHEGEN_FILES