diff --git a/include/Makemodule.am b/include/Makemodule.am
index 7ffbf3958..e6d3f3ed6 100644
--- a/include/Makemodule.am
+++ b/include/Makemodule.am
@@ -3,6 +3,7 @@ dist_noinst_HEADERS += \
 	include/all-io.h \
 	include/bitops.h \
 	include/blkdev.h \
+	include/buffer.h \
 	include/canonicalize.h \
 	include/carefulputc.h \
 	include/cctype.h \