diff --git a/Modules/FindFLTK.cmake b/Modules/FindFLTK.cmake
index e18194219..6aa4b147a 100644
--- a/Modules/FindFLTK.cmake
+++ b/Modules/FindFLTK.cmake
@@ -25,4 +25,8 @@ IF (FLTK_FLUID_EXE)
   SET ( FLTK_WRAP_UI 1 CACHE BOOL "Can we honour the FLTK_WRAP_UI command" )
 ENDIF (FLTK_FLUID_EXE)
 
-
+MARK_AS_ADVANCED(
+  FLTK_INCLUDE_PATH
+  FLTK_LIBRARY
+  FLTK_FLUID_EXE
+)
\ No newline at end of file