diff --git a/src/meson.build b/src/meson.build
index 7367761..dd67b35 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -60,6 +60,7 @@
   'str/cexpr.cpp',
   'str/maps.cpp',
   'util/cexec.cpp',
+  'variant.cpp',
   'zstring.cpp',
   'zstring_view.cpp',
 ]