diff --git a/src/meson.build b/src/meson.build
index a064f14..93d68f3 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -60,6 +60,7 @@
   'str/buf.cpp',
   'str/cat.cpp',
   'str/cexpr.cpp',
+  'str/conv.cpp',
   'str/maps.cpp',
   'util/cexec.cpp',
   'variant.cpp',