diff --git a/include/Makefile.am b/include/Makefile.am
index d30d4cb5..1438b26d 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -36,4 +36,6 @@ DIST_SUBDIRS = \
 
 noinst_HEADERS = \
 	common.h \
-	stdint.h
+	stdint.h \
+	ac97.h \
+	ucb1400.h