diff --git a/lib/sequence/Makefile.am b/lib/sequence/Makefile.am
index 558381166..f98aae9fe 100644
--- a/lib/sequence/Makefile.am
+++ b/lib/sequence/Makefile.am
@@ -1,5 +1,5 @@
 noinst_LIBRARIES = libsequence.a
-noinst_HEADERS = adpcm.h rpl_reader.h sequence.h
+noinst_HEADERS = adpcm.h dec130.h rpl_reader.h sequence.h
 
 libsequence_a_SOURCES = adpcm.c dec130.c rpl_reader.c sequence_stub.c