diff --git a/src/meson.build b/src/meson.build
index 051b397..4876d80 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -4,6 +4,8 @@
   'bej_common.c',
   'bej_dictionary.c',
   'bej_tree.c',
+  'bej_encoder_core.c',
+  'bej_encoder_metadata.c',
   'bej_decoder_json.cpp',
   include_directories : libbej_incs,
   implicit_include_directories: false,