diff --git a/src/meson.build b/src/meson.build
index dd67b35..47fcd33 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -52,6 +52,7 @@
   'hash/tuple.cpp',
   'net/addr/ether.cpp',
   'net/addr/ip.cpp',
+  'net/addr/subnet.cpp',
   'numeric/endian.cpp',
   'pinned.cpp',
   'raw.cpp',