diff --git a/src/meson.build b/src/meson.build
index 00b006f..c911861 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -28,6 +28,8 @@
     if get_option('fru-device-resizefru')
         cpp_args_fd = cpp_args_fd + ['-DENABLE_FRU_AREA_RESIZE']
     endif
+    detect_mode = get_option('fru-device-16bitdetectmode')
+    cpp_args_fd += ['-DFRU_DEVICE_16BITDETECTMODE="' + detect_mode + '"']
     executable(
         'fru-device',
         'expression.cpp',