diff --git a/archivers/php-zstd/Makefile b/archivers/php-zstd/Makefile
index 30664e67a282..1e12b8a19503 100644
--- a/archivers/php-zstd/Makefile
+++ b/archivers/php-zstd/Makefile
@@ -1,23 +1,31 @@
 PORTNAME=	zstd
 DISTVERSION=	0.14.0
 CATEGORIES=	archivers
 PKGNAMEPREFIX=	${PHP_PKGNAMEPREFIX}
 
 MAINTAINER=	pave@FreeBSD.org
 COMMENT=	Zstandard extension for PHP
 WWW=		https://github.com/kjdev/php-ext-zstd
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libzstd.so:archivers/zstd
 
 USES=		php:ext pkgconfig
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	kjdev
 GH_PROJECT=	php-ext-zstd
 
 CONFIGURE_ARGS=	--with-libzstd
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+post-patch:
+.if ${PHP_VER} >= 85
+	@${REINPLACE_CMD} -e 's|ext/standard/php_smart_string|Zend/zend_smart_string|' \
+		${WRKSRC}/zstd.c
+.endif
+
+.include <bsd.port.post.mk>