diff --git a/SConscript b/SConscript
index e0739ec..96b1098 100644
--- a/SConscript
+++ b/SConscript
@@ -547,6 +547,7 @@ vars.Add('LINKFLAGS', 'Linker Flags')
 vars.Add('PYTHON', 'Python Executable', 'python')
 vars.Add('COMPILATIONDB_FILTER_FILES', 'Removes source files from the compilation DB that are not from the current'
                                        ' project.', config['COMPILATIONDB_FILTER_FILES'])
+vars.Add('SHOW_INCLUDES', 'Show include hierarchy (for debugging).', False)
 
 tools = ['default', 'compilation_db', 'unity_build']
 if 'TOOLS' in config:
@@ -716,6 +717,8 @@ elif env['COMPILER_FAMILY'] == 'cl':
                           f'/std:{cxx_version_name}', '/permissive-', '/EHsc', '/FS', '/Zc:char8_t', '/utf-8'])
     env.Append(CPPDEFINES = ['_CRT_SECURE_NO_WARNINGS']) # I'd like to not use MSVC specific versions of functions because they are "safer" ...
     env.Append(DEPS_CXXFLAGS = ['/EHsc', '/Zc:char8_t', '/utf-8', '/vmg'])
+    if env['SHOW_INCLUDES']:
+        env.Append(CCFLAGS = ['/showIncludes'])
     if build_type == 'debug':
         env.Append(CCFLAGS = ['/Od', '/Zi', '/MDd'], LINKFLAGS = ' /DEBUG')
         env.Append(CPPDEFINES = ['_DEBUG', '_ITERATOR_DEBUG_LEVEL=2'])