diff --git a/mkspecs/features/default_pre.prf b/mkspecs/features/default_pre.prf
index ebb94e272e0..064d24bfa78 100644
--- a/mkspecs/features/default_pre.prf
+++ b/mkspecs/features/default_pre.prf
@@ -2,7 +2,7 @@ load(exclusive_builds)
 ### Qt 5: remove "uic" and "resources" - or add "qt"
 CONFIG = lex yacc warn_on debug uic resources $$CONFIG
 
-exists($$_PRO_FILE_PWD_/sync.profile) {
+!build_pass:exists($$_PRO_FILE_PWD_/sync.profile) {
     PRO_BASENAME = $$basename(_PRO_FILE_)
 
     # Try to detect proper QTDIR path. We require QTDIR, as syncqt uses that to create qt_module.pri