diff --git a/lib/hx509/Makefile.am b/lib/hx509/Makefile.am
index 9864a6c71..d0815ff01 100644
--- a/lib/hx509/Makefile.am
+++ b/lib/hx509/Makefile.am
@@ -25,9 +25,8 @@ gen_files_ocsp = 			\
 	asn1_OCSPSignature.x		\
 	asn1_OCSPSingleResponse.x	\
 	asn1_OCSPTBSRequest.x		\
-	asn1_OCSPVersion.x
-
-
+	asn1_OCSPVersion.x		\
+	asn1_id_kp_OCSPSigning.x
 
 libhx509_la_LIBADD = $(LIB_des) ../asn1/libasn1.la