diff --git a/tests/auto/qtipc/lackey/lackey.pro b/tests/auto/qtipc/lackey/lackey.pro
index 39123125f3..2fa364c4c9 100644
--- a/tests/auto/qtipc/lackey/lackey.pro
+++ b/tests/auto/qtipc/lackey/lackey.pro
@@ -1,6 +1,7 @@
 include(../qsharedmemory/src/src.pri)
 
 QT = core script
+QT += core-private
 
 CONFIG += qtestlib