diff --git a/src/osgIntrospection/CMakeLists.txt b/src/osgIntrospection/CMakeLists.txt
index 95adb6a5d..1da57ba4d 100644
--- a/src/osgIntrospection/CMakeLists.txt
+++ b/src/osgIntrospection/CMakeLists.txt
@@ -58,6 +58,7 @@ ADD_LIBRARY(${LIB_NAME}
 
 LINK_INTERNAL(${LIB_NAME}
        OpenThreads
+       osg
 )
 
 LINK_CORELIB_DEFAULT(${LIB_NAME})