diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index dd08d31..7f364a7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -506,7 +506,7 @@ configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake @ONLY IMMEDIATE )
 
 # Install tree config
-set( EXPORT_LIB_INC_DIR "\${PROJECT_CMAKE_DIR}/${REL_INCLUDE_DIR}" )
+set( EXPORT_LIB_INC_DIR "\${PROJECT_CMAKE_DIR}/../../include" )
 configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${PROJECT_NAME}Config.cmake @ONLY )
 
