diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9b0c435..316bc24 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -109,7 +109,7 @@ ADD_DEFINITIONS( -DTIXML_USE_STL )
 
 # hdf5
 find_package(HDF5 1.8 COMPONENTS C HL REQUIRED)
-INCLUDE_DIRECTORIES (${HDF5_INCLUDE_DIR})
+INCLUDE_DIRECTORIES (${HDF5_INCLUDE_DIRS})
 link_directories(${HDF5_LIBRARIES})
 
 # boost