diff --git a/doc/global/qt-module-defaults.qdocconf b/doc/global/qt-module-defaults.qdocconf
index 11803e50e5..7249439a53 100644
--- a/doc/global/qt-module-defaults.qdocconf
+++ b/doc/global/qt-module-defaults.qdocconf
@@ -24,3 +24,6 @@ sources.fileextensions  = "*.c++ *.cc *.cpp *.cxx *.mm *.qml *.qdoc"
 versionsym              = QT_VERSION_STR
 
 macro.raisedaster.HTML  = "<sup>*</sup>"
+
+#for including files into the qch file
+qhp.extraFiles += style/offline.css