diff --git a/src/meson.build b/src/meson.build
index 64a2b86..76b8ef8 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -28,6 +28,7 @@
         '-p', meson.project_source_root() + '/src/templates',
         '-d', yamldir,
         '-o', meson.current_build_dir() + '/generated.hpp',
+        '-e', meson.current_build_dir() + '/errors.hpp',
         'generate-cpp'
     ],
     depend_files: templates_depends,