diff --git a/src/osgPlugins/gdal/CMakeLists.txt b/src/osgPlugins/gdal/CMakeLists.txt
index e8a85f0d7..e1dbe3e43 100644
--- a/src/osgPlugins/gdal/CMakeLists.txt
+++ b/src/osgPlugins/gdal/CMakeLists.txt
@@ -1,4 +1,4 @@
-INCLUDE_DIRECTORIES( ${GDAL_INCLUDE_DIR} ${OSG_INCLUDE_DIR} )
+INCLUDE_DIRECTORIES( ${GDAL_INCLUDE_DIR} )
 
 SET(TARGET_SRC ReaderWriterGDAL.cpp )