-diff --git a/CMake/vtkModuleMacros.cmake b/CMake/vtkModuleMacros.cmake
-index 3e746a6..9ef38fd 100644
---- a/CMake/vtkModuleMacros.cmake
-+++ b/CMake/vtkModuleMacros.cmake
-@@ -563,7 +563,7 @@ macro(vtk_module_third_party _pkg)
- message(FATAL_ERROR "Cannot specify both LIBRARIES and NO_LIBRARIES")
- endif()
-
-- option(VTK_USE_SYSTEM_${_upper} "Use system-installed ${_pkg}" OFF)
-+ option(VTK_USE_SYSTEM_${_upper} "Use system-installed ${_pkg}" ${VTK_USE_SYSTEM_LIBRARIES})
- mark_as_advanced(VTK_USE_SYSTEM_${_upper})
-
- if(VTK_USE_SYSTEM_${_upper})
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 0d1dda8..b3e1801 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -97,6 +97,11 @@ set(VTK_INSTALL_INCLUDE_DIR_CM24 ${VTK_INSTALL_INCLUDE_DIR})
- set(VTK_INSTALL_DOXYGEN_DIR_CM24 ${VTK_INSTALL_DATA_DIR}/doxygen)
-
- #-----------------------------------------------------------------------------
-+# Do we try to use system libraries by default?
-+OPTION(VTK_USE_SYSTEM_LIBRARIES "Use the system's libraries by default." OFF)
-+MARK_AS_ADVANCED(VTK_USE_SYSTEM_LIBRARIES)
-+
-+#-----------------------------------------------------------------------------
- # The third party macros are still used in one or two third party builds.
- include(vtkThirdParty)
-