diff --git a/makefile.unix b/makefile.unix
index 8fef5cc2..49c98565 100644
--- a/makefile.unix
+++ b/makefile.unix
@@ -258,8 +258,10 @@ HDRS = \
     src/enc/vp8li.h \
     src/mux/muxi.h \
     src/utils/bit_reader.h \
+    src/utils/bit_reader_inl.h \
     src/utils/bit_writer.h \
     src/utils/color_cache.h \
+    src/utils/endian_inl.h \
     src/utils/filters.h \
     src/utils/huffman.h \
     src/utils/huffman_encode.h \