diff --git a/Modules/FindHDF5.cmake b/Modules/FindHDF5.cmake
index 88b547c7c..d94d110d8 100644
--- a/Modules/FindHDF5.cmake
+++ b/Modules/FindHDF5.cmake
@@ -293,7 +293,7 @@ else()
     # HDF5 was compiled with parallel IO support
     set( HDF5_IS_PARALLEL FALSE )
     foreach( _dir HDF5_INCLUDE_DIRS )
-        if( EXISTS "${_dir}/h5pubconf.h" )
+        if( EXISTS "${_dir}/H5pubconf.h" )
             file( STRINGS "${_dir}/H5pubconf.h" 
                 HDF5_HAVE_PARALLEL_DEFINE
                 REGEX "HAVE_PARALLEL 1" )