diff --git a/src/osgPlugins/jp2/CMakeLists.txt b/src/osgPlugins/jp2/CMakeLists.txt
index a4aded99e..302ffc77b 100644
--- a/src/osgPlugins/jp2/CMakeLists.txt
+++ b/src/osgPlugins/jp2/CMakeLists.txt
@@ -1,4 +1,4 @@
-INCLUDE_DIRECTORIES( ${JAPSER_INCLUDE_DIR} )
+INCLUDE_DIRECTORIES( ${JASPER_INCLUDE_DIR} )
 
 SET(TARGET_SRC ReaderWriterJP2.cpp )