diff --git a/src/osgPlugins/qfont/CMakeLists.txt b/src/osgPlugins/qfont/CMakeLists.txt
index 7f59b59f5..141121cc3 100644
--- a/src/osgPlugins/qfont/CMakeLists.txt
+++ b/src/osgPlugins/qfont/CMakeLists.txt
@@ -1,4 +1,5 @@
-INCLUDE_DIRECTORIES(${QT_INCLUDE_DIR})
+INCLUDE_DIRECTORIES(${QT_INCLUDE_DIR} ${QT_QTCORE_INCLUDE_DIR} )
+
 SET(TARGET_SRC ReaderQFont.cpp)
 SET(TARGET_ADDED_LIBRARIES osgText osgQt)