diff --git a/CMakeLists.txt b/CMakeLists.txt
index 103252d33c9..1ecf995c95c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -939,7 +939,7 @@ if (HDF5_BUILD_DOC AND EXISTS "${HDF5_DOXYGEN_DIR}" AND IS_DIRECTORY "${HDF5_DOX
   find_package(Doxygen)
   if (DOXYGEN_FOUND)
     option (HDF5_ENABLE_DOXY_WARNINGS "Enable fail if doxygen parsing has warnings." ON)
-    mark_as_advanced (HDF5_USE_FOLDERS)
+    mark_as_advanced (HDF5_ENABLE_DOXY_WARNINGS)
     if (HDF5_ENABLE_DOXY_WARNINGS)
       set (HDF5_DOXY_WARNINGS "FAIL_ON_WARNINGS")
     else ()