diff --git a/regress/usr.sbin/rpki-client/openssl/Makefile b/regress/usr.sbin/rpki-client/openssl/Makefile
index 3c384dcfae4..d775bd89f5a 100644
--- a/regress/usr.sbin/rpki-client/openssl/Makefile
+++ b/regress/usr.sbin/rpki-client/openssl/Makefile
@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.9 2026/03/27 19:55:35 tb Exp $
+# $OpenBSD: Makefile,v 1.10 2026/03/31 06:25:39 tb Exp $
 
 EOPENSSL =	eopenssl35
 
 .if ${EOPENSSL} != "eopenssl35"
-CFLAGS += -DHAVE_X509_CRL_GET0_SIGALG
+CFLAGS += -DHAVE_X509_CRL_GET0_TBS_SIGALG
 .endif
 
 LDADD +=	-Wl,-rpath,/usr/local/lib/${EOPENSSL} -L/usr/local/lib/${EOPENSSL}
diff --git a/regress/usr.sbin/rpki-client/openssl/build/Makefile b/regress/usr.sbin/rpki-client/openssl/build/Makefile
index 7e18743e7ce..3eacbf39959 100644
--- a/regress/usr.sbin/rpki-client/openssl/build/Makefile
+++ b/regress/usr.sbin/rpki-client/openssl/build/Makefile
@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.6 2026/03/27 19:55:35 tb Exp $
+# $OpenBSD: Makefile,v 1.7 2026/03/31 06:25:39 tb Exp $
 
 EOPENSSL =	eopenssl35
 
 .if ${EOPENSSL} != "eopenssl35"
-CFLAGS += -DHAVE_X509_CRL_GET0_SIGALG
+CFLAGS += -DHAVE_X509_CRL_GET0_TBS_SIGALG
 .endif
 
 regress: all
diff --git a/regress/usr.sbin/rpki-client/openssl/unistd.h b/regress/usr.sbin/rpki-client/openssl/unistd.h
index 396ea966ad4..9e3718637fc 100644
--- a/regress/usr.sbin/rpki-client/openssl/unistd.h
+++ b/regress/usr.sbin/rpki-client/openssl/unistd.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: unistd.h,v 1.5 2026/03/27 19:55:35 tb Exp $ */
+/*	$OpenBSD: unistd.h,v 1.6 2026/03/31 06:25:39 tb Exp $ */
 /*
  * Public domain
  * compatibility shim for OpenSSL 3
@@ -31,7 +31,7 @@ CMS_SignerInfo_get_version(CMS_SignerInfo *si, long *version)
 	return 1;
 }
 
-#if !HAVE_X509_CRL_GET0_SIGALG
+#if !HAVE_X509_CRL_GET0_TBS_SIGALG
 static inline const X509_ALGOR *
 X509_CRL_get0_tbs_sigalg(const X509_CRL *crl)
 {