diff --git a/meson.build b/meson.build
index 375089c..a9043c6 100644
--- a/meson.build
+++ b/meson.build
@@ -333,6 +333,7 @@
 srcs += 'udelay.c'
 srcs += 'w29ee011.c'
 srcs += 'w39.c'
+srcs += 'writeprotect.c'
 
 mapfile = 'libflashrom.map'
 vflag = '-Wl,--version-script,@0@/@1@'.format(meson.current_source_dir(), mapfile)