diff --git a/OctavePlugin/CMakeLists.txt b/OctavePlugin/CMakeLists.txt
index 351ceecfd8..e7247411ce 100644
--- a/OctavePlugin/CMakeLists.txt
+++ b/OctavePlugin/CMakeLists.txt
@@ -38,6 +38,7 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
 
     if (CMAKE_CL_64)
         option(RESINSIGHT_OCTAVE_PLUGIN_32_BIT "Use 32-bit environment for compilation on Windows (mkoctfile and Qt used for Octave must match)" OFF)
+        mark_as_advanced(RESINSIGHT_OCTAVE_PLUGIN_32_BIT)
     endif()
 endif()