diff --git a/qt.pro b/qt.pro
index 3c94cc43..edaf37b1 100644
--- a/qt.pro
+++ b/qt.pro
@@ -3,6 +3,8 @@ cache(, super)
 
 TEMPLATE      = subdirs
 
+CONFIG += prepare_docs
+
 module_qtbase.subdir = qtbase
 module_qtbase.target = module-qtbase