diff --git a/src/meson.build b/src/meson.build
index 34c3674..4364395 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -37,6 +37,7 @@
     'fd/create.cpp',
     'fd/dupable.cpp',
     'fd/impl.cpp',
+    'fd/line.cpp',
     'fd/managed.cpp',
     'fd/mmap.cpp',
     'fd/ops.cpp',