diff --git a/meson.build b/meson.build
index 5e3da9e..a40c76b 100644
--- a/meson.build
+++ b/meson.build
@@ -43,6 +43,15 @@ endif
 opt_clang_header_dir = get_option('libclang-libdir')
 opt_clang_link_dir = get_option('libclang-headerdir')
 
+if build_machine.system() == 'darwin'
+   if opt_clang_header_dir == ''
+     opt_clang_header_dir = '/usr/local/opt/llvm/include'
+   endif
+   if opt_clang_link_dir == ''
+     opt_clang_link_dir = '/usr/local/opt/llvm/lib'
+   endif
+endif
+
 if get_option('libclang') == true
 
   #check for the header