diff --git a/include/Makefile.am b/include/Makefile.am
index 28b16c1e..426b7bf5 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -8,7 +8,7 @@ alsainclude_HEADERS = asoundlib.h \
 		      seq_event.h seq.h seqmid.h seq_midi_event.h \
 		      conv.h instr.h
 
-noinst_HEADERS=search.h list.h aserver.h local.h config.h
+noinst_HEADERS=sys.h search.h list.h aserver.h local.h config.h
 
 version.h: stamp-vh
 	@: