diff --git a/libasn1parser/Makefile.am b/libasn1parser/Makefile.am
index 65a4f3e..bf9127d 100644
--- a/libasn1parser/Makefile.am
+++ b/libasn1parser/Makefile.am
@@ -19,6 +19,7 @@
 	asn1p_param.c asn1p_param.h	\
 	asn1p_class.c asn1p_class.h	\
 	asn1p_ref.c asn1p_ref.h		\
+	asn1p_integer.c asn1p_integer.h	\
 	asn1p_list.h
 
 asn1parser.h: asn1p_expr_str.h