diff --git a/src/osgPlugins/exr/CMakeLists.txt b/src/osgPlugins/exr/CMakeLists.txt
index e2bb83b5e..c1adf7f03 100644
--- a/src/osgPlugins/exr/CMakeLists.txt
+++ b/src/osgPlugins/exr/CMakeLists.txt
@@ -2,7 +2,7 @@ INCLUDE_DIRECTORIES( ${OPENEXR_INCLUDE_DIR}/OpenEXR )
 
 SET(TARGET_SRC ReaderWriterEXR.cpp )
 
-SET(TARGET_LIBRARIES_VARS OPENEXR_LIBRARY )
+SET(TARGET_EXTERNAL_LIBRARIES ${OPENEXR_LIBRARIES} )
 
 #### end var setup  ###
 SETUP_PLUGIN(exr)