diff --git a/CMakeLists.txt b/CMakeLists.txt
index f347a3817..3809fef89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -99,6 +99,7 @@ ENDIF(UNIX)
 
 # Make the headers visible to everything
 INCLUDE_DIRECTORIES(
+    ${PROJECT_BINARY_DIR}/include
     ${OpenSceneGraph_SOURCE_DIR}/include
     ${OPENGL_INCLUDE_DIR}
 )