diff --git a/examples/sample.source.PKIX1/Makefile b/examples/sample.source.PKIX1/Makefile
index d51f439..87827a2 100644
--- a/examples/sample.source.PKIX1/Makefile
+++ b/examples/sample.source.PKIX1/Makefile
@@ -300,8 +300,9 @@
 ASN_MODULE_SOURCES+=constr_SET.c
 ASN_MODULE_HEADERS+=constr_SET_OF.h
 ASN_MODULE_SOURCES+=constr_SET_OF.c
-ASN_MODULE_HEADERS+=asn_types.h
+ASN_MODULE_HEADERS+=asn_application.h
 ASN_MODULE_HEADERS+=asn_internal.h
+ASN_MODULE_HEADERS+=asn_types.h
 ASN_MODULE_HEADERS+=OCTET_STRING.h
 ASN_MODULE_SOURCES+=OCTET_STRING.c
 ASN_MODULE_HEADERS+=ber_decoder.h