diff --git a/mail/datovka/Makefile b/mail/datovka/Makefile
index 7e956c32bbf8..b9b2c561db02 100644
--- a/mail/datovka/Makefile
+++ b/mail/datovka/Makefile
@@ -1,28 +1,22 @@
 PORTNAME=	datovka
 DISTVERSION=	4.22.1
 CATEGORIES=	mail
 MASTER_SITES=	https://secure.nic.cz/files/datove_schranky/${DISTVERSION}/
 
 MAINTAINER=	freebsd@sysctl.cz
 COMMENT=	Qt re-implementation of Datovka
 WWW=		https://gitlab.nic.cz/datovka/datovka
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	libglvnd>0:graphics/libglvnd \
 		pkgconf:devel/pkgconf
 LIB_DEPENDS=	libdatovka.so:devel/libdatovka
 
 USES=		desktop-file-utils gl pkgconfig qmake qt:5 ssl tar:xz
 USE_GL=		gl
 USE_QT=		buildtools core gui network printsupport sql svg websockets \
 		widgets
 
-.include <bsd.port.pre.mk>
-
-.if ( ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400092 && ${SSL_DEFAULT} == base ) || ${SSL_DEFAULT:Mopenssl3*}
-CXXFLAGS+=	-DOPENSSL_API_COMPAT=0x30000000L
-.endif
-
-.include <bsd.port.post.mk>
+.include <bsd.port.mk>
diff --git a/mail/datovka/files/patch-src_crypto_crypto.c b/mail/datovka/files/patch-src_crypto_crypto.c
new file mode 100644
index 000000000000..098dd144f94c
--- /dev/null
+++ b/mail/datovka/files/patch-src_crypto_crypto.c
@@ -0,0 +1,12 @@
+--- src/crypto/crypto.c.orig	2023-08-07 16:26:04 UTC
++++ src/crypto/crypto.c
+@@ -312,7 +312,9 @@ int crypto_init(void)
+ 	OpenSSL_add_all_algorithms();
+ 
+ 	ERR_load_crypto_strings();
++#if OPENSSL_VERSION_NUMBER < 0x30000000L
+ 	ERR_load_CMS_strings();
++#endif
+ 	//ERR_free_strings();
+ 
+ 	if (NULL != ca_certs) {