diff --git a/lib/asn1/Makefile.am b/lib/asn1/Makefile.am
index 729018f1c..125039931 100644
--- a/lib/asn1/Makefile.am
+++ b/lib/asn1/Makefile.am
@@ -553,7 +553,7 @@ CLEANFILES = \
 	$(gen_files_digest) \
 	$(gen_files_kx509) \
 	$(gen_files_test) $(nodist_check_gen_SOURCES) \
-	rfc2459_asn1_files rfc2459_asn1.h \
+	rfc2459_asn1_files rfc2459_asn1.h* \
 	cms_asn1_files cms_asn1.h* \
 	krb5_asn1_files krb5_asn1.h* \
 	pkinit_asn1_files pkinit_asn1.h* \