diff --git a/src/Makefile.sources b/src/Makefile.sources
index 4c0225ffa..c698f215b 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -42,6 +42,7 @@ HB_BASE_sources = \
 	hb-map.cc \
 	hb-map.hh \
 	hb-bimap.hh \
+	hb-meta.hh \
 	hb-mutex.hh \
 	hb-null.hh \
 	hb-object.hh \