diff --git a/manager/meson.build b/manager/meson.build
index e2452bd..0c97649 100644
--- a/manager/meson.build
+++ b/manager/meson.build
@@ -4,6 +4,7 @@
     'manager.cpp',
     'serialize.cpp',
     '../utils.cpp',
+    'config-validator.cpp',
 ]
 
 if get_option('use-json').disabled()