diff --git a/src/osgText/CMakeLists.txt b/src/osgText/CMakeLists.txt
index 9a3026b40..6e901e6e6 100644
--- a/src/osgText/CMakeLists.txt
+++ b/src/osgText/CMakeLists.txt
@@ -43,6 +43,7 @@ LINK_INTERNAL(${LIB_NAME}
     osg
     OpenThreads
 )
-LINK_CORELIB_DEFAULT(${LIB_NAME})
+LINK_EXTERNAL(${LIB_NAME} ${MATH_LIBRARY} )
+LINK_CORELIB_DEFAULT(${LIB_NAME} ${MATH_LIBRARY})
 
 INCLUDE(ModuleInstall OPTIONAL)